Lex program syntax pdf. We'll assume our goal is to write a BASIC compiler.

Lex program syntax pdf Lex and Yacc are the most commonly used packages with Lex managing the token recognition and Yacc handling the syntax. y are token declarations. h Figure 1-2: Building a Compiler with Lex/Yacc Figure 1-2 illustrates the file naming conventions used by lex and yacc. Lex - A Lexical Analyzer Jul 11, 2022 · Lex is a computer program that generates lexical analyzers. Write program to convert NFA to Lexical units (a) Compilation Source program Interpreter Results Input data (b) Pure Interpretation Source program Interpreter Results Input data Lexical analyzer Syntax analyzer Intermediate code generator Parse trees Lexical units Intermediate code (c) Hybrid Im-plementation H. It is separated into sections by '%%' delimiters. c. l cc –c lex. c lex. c ) ( lex. write code to generate abstract syntax tree. With The document describes an experiment to write a LEX program to scan reserved words and identifiers of the C language. Write it from scratch! i. to generate the target program. 2 Creating a Lexical Analyzer for simpleJava in Lex bas. 1 program and produces a C program lex. All versions of lex allow this. out is lexical analyzer that transforms an input stream into a sequence of tokens. c, which can be compiled with the cc command. Syntax Analyzer 3. 11 WEEK other5 Implement the lexical analyzer using JLex, flex or lexical analyzer generating a. Each program focuses on different aspects of compiler design, including lexical analysis, parsing, and syntax tree generation. Chen (VSU) Lexical andSyntax Analysis January20, 2016 3/67 We refer to the tool as Lex Compiler, and to its input specification as the Lex language. Appendix H, POSIX Lex and Yacc, discusses the versions of lex and yacc defined by the IEEE POSIX 1003. 12 Write a program for constant propagation. Optimization of DFA-Based Pattern Matchers* 2 Sep 18, 2024 · In the first step the source code which is in the Lex language having the file name ‘File. Yacc • Lex – Lex generates C code for a lexical analyzer, or scanner – Lex uses patterns that match strings in the input and converts the strings to tokens • Yacc – Yacc generates C code for syntax analyzer, or parser. stream of tokens parse tree y. With The syntax analyzer deals with large-scale constructs, such as expressions, state-ments, and program units. Yacc (Yet Another Compiler Compiler) is a tool used to create a parser. y ) ( a. c ( yylex() ) lex. Synthesis Phase – It has three parts : 4. For more details check the pdf: "Question. Utilizing this code will not be considered plagiarism. flex jflex yylex. • In this section, we study the inner workings of Lexical Analyzers and Parsers The lexical analyzer generated by Flex has to provide terminal symbols according to their semantic type. parts, lexical analysis and syntax analysis. • In this section, we study the inner workings of Lexical Analyzers and Parsers write code to generate abstract syntax tree. LEX is a tool used to generate a lexical analyzer. See the EXTENDED DESCRIPTION section for a complete description of the lex input language. It is available on the PDP-11 UNIX, Honeywell GCOS, and IBM OS systems. These topics give full details of all aspects of bas. 41 14 A program to generate machine code from the abstract syntax tree generated by the parser. , IF, VOID, RETURN 6 Type Examples ID foo n14 last NUM 73 0 00 Lex and Yacc Tutorial Ming-Hwa Wang, Ph. c bas. l scanner module lex. a. cc ( lexer->yylex() ) a. 10 WEEK 4 Design a lexical analyzer for the given language. 1. Here we discuss flex’s: redefine the macro D D 8 B @ used to read blocks of data. c) that performs this task. Specification of Tokens 4. c gcc gcc gcc -o scanner lex. l’ gives as input to the Lex Compiler commonly known as Lex to get the output as lex. Intermediate Code Generator 5. A complete LEX Program; Disambiguation rules; Pattern Matching Using LEX; A token simulator program; DFA -> regular expression; Using the generated lexical analyzer; References ; Download as PDF ; USING LEX Introduction. c; Use the ls command to verify that the following files were created: y. Does the wordcount. out ) Prof. flex reads a description of a scanner written in a lex file and outputs a C or C++ program containing a routine called generate Abstract syntax tree. Finite Automata 7. 53 10 56 A program to generate machine code from the abstract syntax tree generated by the parser. The Lexical -Analyzer Generator Lex 6. my. pdf" To fill this gap, we proposeT-Rec, a fine-grained language-agnostic program reduction technique guided by lexical syntax. Yacc uses grammar rules that allow it to analyze tokens from lex and create a syntax tree. The program lex. With Lex and yacc are tools used to generate lexical analyzers and parsers. lex ) ( a. A Lex program Lex source is a table of regular expressions and corresponding program fragments. To run any of these programs, follow the standard compilation and execution Lex and yacc are tools used to generate lexical analyzers and parsers. n Trade generality for efficiency. l) and grammar rules for yacc Le lex. c will be used as input to the C compiler which gives the output in the form of an ‘a. c y. The examples in this manual are in C, which is Flex’s default target language and until release 2. It uses regular expression matching; typically it is used to ‘tokenize’ the contents of the file. yy. Then, the lex. c scanner parser libraries gcc -o parser y. First, we need to specify all pattern matching rules for lex (bas. I am just trying to run this file. OPTIONS top Chapter 1. c Lex) Table of regular expressions + associated actions yylex(): – matches the input stream against the table of regular expressions supplied – carriesout theassociatedactionwhena grammar and generate C code for a syntax analyzer or parser. exe # compile/link Yacc reads the grammar descriptions in bas. Process this structure, e. The flex program reads the given input files, or its standard input if no file names are given, for a description of a scanner to generate. c [student@localhost ~]$ . Write the lexical analyzer in a conventional programming language. hk) COMP3031 (Fall 2012, L2) To write a program for implementing a Lexical analyser using LEX tool; LEX Program to count the number of lines and number of characters in an input. Additional/ExtraPrograms[Optional] 1 Lex Program to convert abc to ABC 2 Write a lex program to find out total number of vowels and consonants from the given input sting. l. Its syntax is D-D 8 B @ 5 where is 6 Abstract Syntax Trees in C 33 2. Syntactic Analysis (Parsing): Parser: reads tokens and assembles them into language constructs using the grammar rules of the language. The regular expressions are specified by the user in the source specifications Lex is a tool for writing lexical analyzers. lex bas. These are converted to constant definitions by yacc and placed in file y. o The object file for the lex. Lex is a program generator designed for lexical processing of character input streams. flex generates as output a C source file,lex. The description is in the form of pairs of regular expressions and C code, called rules. n Algorithms usually backed up and reparse part of the sentence being analyzed. c; the state of this file is unspecified if lex exits with a non-zero exit status. Other languages will glue the suffix they normally use for source-code files to the prefix lex. Write program to find ε – closure of all states of any given NFA with ε transition. • Parsers almost always rely on a CFG that specifies the syntax of the programs. These tools help programmers build compilers and interpreters, but they also have a wider … - Selection from lex & yacc, 2nd Edition [Book] c) Implementation of Calculator using LEX and YACC d) Convert the BNF rules into YACC form and write code to generate abstract syntax tree 4. It parses the stream of tokens from the Lex file and performs the semantic analysis. After that, the output lex. LEX Program to This repository contains various programs developed as part of the Compiler Design Lab course. General Approaches to Lexical Analyzers Use a lexical-analyzer generator, such as Lex. c). Technically, LEX translates a set of regular expression specifications (given as input in input_file. As each such string is recognized the corresponding program fragment is executed. bas. La commande lex stocke la fonction yylex dans un fichier nommé lex Jan 14, 2012 · I am very new to Lex and Yacc. 48 Additional/Extra Programs[Optional] 15 Lex Program to convert abc to ABC 52 16 Write a lex program to find out total number of vowels, and consonants from the given input sting. YACC stands for Yet Another Compiler Compiler The C++ program generated by the lex command can use either STDIO or IOSTREAMS. yylex() . c The C language source file that the lex command created for the lexical analyzer; Compile and link the two C language source files: cc y. Lex is a tool that generates scanners, which are programs that recognize lexical patterns in text. The next two sections describe lex and yacc in more detail. 53 Syntax – Intro and Overview CS331 Syntax • Syntax defines what is grammatically valid in a programming language – Set of grammatical rules – E. Appendix G, Abraxas Lex and Yacc, discusses PCYACC, the MS-DOS and OS/2 versions of lex and yacc from Abraxas Software. Semantic Analyzer Lexical analyzer divides the program into “tokens”, Syntax analyzer recognizes “sentences” in the program using syntax of language and Semantic analyzer checks static semantics of each construct. The task of discovering the source structure again is decomposed into subtasks: 1. It accepts a high-level, problem oriented specification for character string matching, and produces a program in a general purpose language which recognizes regular expressions. h. This document is a tutorial for the use of LEX for ExpL Compiler development. c compilé peut ensuite recevoir des entrées, les diviser en éléments logiques définis par les règles dans Fichieret exécuter des fragments de programme contenus dans les actions dans Fichier. Implement the lexical analyzer using JLex, flex or lex or other lexical analyzer generating tools 10 Write a program to perform loop unrolling. D COEN 259 Compilers Department of Computer Engineering Santa Clara University Lex Lex is a scanner generator tool for lexical analysis, which is based on finite Using lex and yacc tools: Lexical analyzer lex yacc Parser Actions Lex specification Yacc specification*. We'll assume our goal is to write a BASIC compiler. I assume you can program in C and understand data structures such as linked-lists and trees. tab. c cc lex. l) and grammar rules for yacc Reasons to separate lexical and syntax analysis: `Simplicity - less complex approaches can be used for lexical analysis; separating them simplifies the parser `Efficiency - separation allows optimization of the lexical analyzer `Portability - parts of the lexical analyzer may not be portable, but the parser always is portable 4. –It isn’t used anymore. l) and grammar rules for yacc zLex & Yacc were developed at Bell Laboratories in the 70’s zYacc was developed as the first of the two by Stephen C. Lex • 3. 2. c . Instead of treating tokens as atomic and irreducible components, T-Rec introduces a fine-grained reduction process that leverages the lexical syntax of programming languages to effectively explore Syntax errors are much more common when parsing. It Second: the syntax analyzer deals with large scale constructs, expressions, statements, and program units. The introduction describes the basic building blocks of a compiler and explains the interaction between lex and yacc. From Regular Expressions to Automata 8. l) and grammar rules for yacc bas. Listing 5 defines the rules for white space, real values, and identifiers and the symbols. Optimization of DFA-Based Pattern Matchers* 2 LEX & YACC Tutorial Nov, 2009 Gil Kulish. • Reasons for the separation: Simplicity—Removing the details of lexical analysis from the syntax analyzer makes it smaller and less complex. The program implements this algorithm by opening input and output files, scanning the Nov 26, 2022 · Lex is a computer program that generates lexical analyzers. l # create lex. The lex command uses rules and actions contained in File to generate a program, lex. out. Why lexical analysis is separated from the syntax analysis Simplicity- lexical analysis is less complex so it is mach simpler if it is separated from the syntax analyzer. – Yacc uses grammar rules that allow it to analyze tokens from Lex and create a syntax tree. 2 A more complicated example for a C like syntax • 3. Mar 19, 2023 · Key points include: - Lex uses regular expressions to match strings in input and convert them to tokens. Those who are already familiar with the concepts of input analysis and interpretation may decide to skip this topic and go directly to Generating a lexical analyzer using lex and Generating a parser using yacc. With The yacc command generates a parser program that analyzes input using the tokens identified by the lexical analyzer (generated by the lex command and stored in the lex specification file) and performs specified actions, such as flagging improper syntax. l to C program, in a file that is always named lex. Print if the input text is accepted by the baseGrammar or not. –You’ll be using this. Minimalism developed out of the ‘Government-Binding’(GB) or the PRINCIPLES and Intermediate codeis code that represents the semantics of a program, but is machine-independent. It consits of LEX and YACC programs LEX is a tool used to generate a lexical analyzer. •flex (fast lexical analyzer generator) –Free and open source alternative. 1. - A Lex source program contains regular expressions, actions to perform on matches, and optional user-defined subroutines. Dekai Wu, HKUST (dekai@cs. l file go on the C drive? Do I compile the Lex program and it generates a . 8 Including a Main Program in Lex 2. in English, a sentence cannot begin with a period – Must be formal and exact or there will be ambiguity in a programming language • We will study three levels of syntax – Lexical Oct 14, 2024 · CS 3361 | Spring 2024 | Project #1 and Project #2 Lexical and Syntax Analyzer Page 6 of 9 Hints 1) Draw inspiration by looking at the lexical analyzer code discussed and distributed in class. Introduction • 1. lex. c file into an executable file called a. yylex() (in file lex. lex: D D ! D D 5 flex: - ! 5 <! ? - ! 5 = 2. l) and grammar rules for yacc Lex can generate analyzers in either C or Ratfor, a language which can be translated automatically to portable Fortran. c lex C . They Usually, the lex utility shall write the program it generates to the file lex. Input Buffering (Omit) 3. Input to Lex is called Lex specification or Lex program Lex generates a scanner module in C from a Lex specification file Scanner module can be compiled and linked with other C/C++ modules Commands: lex filename. If the cpp define _CPP_IOSTREAMS is true during a C++ compilation, the program uses IOSTREAMS for all I/O. out take a stream of input characters and produce a stream of tokens. Lex file format. It provides an example Lex program that reads integers from a file and computes Firstly lexical analyzer creates a program lex. c -efl . It accepts a high-level, problem oriented specification • The Lexical Analyzer tokenizes the input program • The syntax analyzer, referred to as a parser, checks for syntax of the input program and generates a parse tree. I am using windows and putty. 2 standard. It generates a C program (lex. Lesk and Eric Schmidt to work with Yacc zStandard UNIX utilities 4 Lex zThe Unix program “lex” is a “Lexical Analyzer Generator” – Takes a high-level description of lexical Lex source definitions Any source not intercepted by lex is copied into the gener-ated program: – a line that is not part of a lex rule or action, which begins with a blank or tab, is copied out as above (useful for, e. It discusses how Lex (or flex) is a scanner generator that takes regular expressions and actions as input and outputs C code to implement a scanner. y and generates a parser, function yyparse, in file y. c source file lex. New users should work through the tutorial to get a feel for how to use lex and yacc. l) and grammar rules for yacc A specification of the lexical analyzer is preferred by creating a program lex in the lex language. 5. Then lex is run through the lex compiler to produce a ‘c’ program lex. Find the hierarchical structure of the program (Yacc). 2 Lexical Analysis Lexical Tokens •A lexical token is a sequence of characters that can be treated as a unit for parsing •A language classifies lexical tokens into token types •Tokens constructed from alphabetic chars are called reserved words, typically can’t be used as identifiers •E. Design of a Lexical-Analyzer Generator 9. –It was written by Mike Lesk and Eric Schmidt (the Google guy). However, there are many other applications possible. This includes an enormous range of applications—anything from a simple text search program that … - Selection from lex & yacc, 2nd Edition [Book] This book shows you how to use two Unix utilities, lex andyacc, in program development. /a. Intermediate Code Generator Intermediate Code Abstract Lexical and Syntactic Analysis •Two steps to discover the syntactic structure of a program –Lexical analysis (Scanner): to read the input characters and output a sequence of tokens –Syntactic analysis (Parser): to read the tokens and output a parse tree and report syntax errors if any 2 lexical scanning and syntax analysis. Included in file bas. y Custom C routines *. LEX Program to remove space, tab or newline; Generate a YACC specification to recognize a valid identifier which starts with a letter followed by any number of letters or digits. The lex compiler transforms lex. 2) Start by focusing on writing the program in your usual C/C++ development environment. For example, operator precedence and associativity are apparent in the syntax tree. 3 Implementation of Predictive Parser This document tries to help you get started using Lex and YACC 1. g. out Sep 12, 2022 · Lex v. In that context, it is often used together with the yacc utility. The lexical analyzer should ignore redundant spaces, tabs and new lines, comments etc. c A scanner is a program which recognizes lexical patterns in text. c ) ( a. c program and then what do I run? I tried on the command-line: Lex wordcount. 3 License 2. Step 2: The C compiler compile lex. c –obas. 1 Regular expressions in matches • 3. This document is a tutorial for the use of LEX for ExpL Compiler Sep 17, 2024 · Step 1: An input file describes the lexical analyzer to be generated named lex. system, which is the only supported form of Lex under UNIX Version 7. The syntax analyzer uses grammar rules that allow it to analyze tokens from the lexical analyzer and create a syntax tree. 6. Lex is generally used in the manner depicted in the above figure; 1. . Otherwise, STDIO is used. c output executable *. Yacc is a tool for constructing parsers. My cat chased your dog • Syntax rules specify constraints on sentences based on the verb of the sentence *The boy found *Disa slept the baby *The boy found in the house Yacc generates C code for a syntax analyzer, or parser. c source file a. n Too slow. Prerequisite: Flex (Fast lexical Analyzer Generator) Example: Appendix F, MKS Lex and Yacc, discusses the MS-DOS and OS/2 version of lex and yacc from Mortice Kern Systems. The commands for executing the lex program are: lex abc. o The object file for the y. Code Dec 2, 2021 · program snippets, either by dividing the program into strings, lex- icalizing them into tokens or parsing the program into a parse tree or abstract syntax tree (AST) . exe source compiled output (yylex) (yyparse) y. o other. Finally C compiler runs the lex. 4 Lexical Analysis •A lexical analyzer isa pattern matcher for character strings •A lexical analyzer isa “front-end”for the parser •Identifiessubstringsof the source program that belong together -lexemes – Lexemes match a character pattern, which is associated with a lexical category called a token – sum is a lexeme; its token may Lex: A Lexical Analyzer Generator Input: Regular exprs defining "tokens" Fragments of declarations & code Output: A java program “yylex. This document provides a brief tutorial on Lex and Yacc. out enter some input that consists of an integer number hello 2345 Saw an integer :2345 Execution Step Explanation: First line runs lex over the lex specification & generates a file, lex. choose your favorite programming language (python!) and write a program in python that reads input string (which contain the input program, expression, or query) and extracts the lexemes. 8 Example Use of Advanced Lex Features 2. While they will not do everything for you, they will enable faster implementation of the basic functions. Split the source file into tokens (Lex). 1 What this document is NOT • 1. l in the lex language. c program and produces an object program a. l) into a C implementation of a corresponding finite state machine (lex. Write program to convert NFA with ε transition to NFA without ε transition. Step 3: The output file a. 1 What each program does on its own 3. Then Lex compiler runs the lex. Use a code-generator (Lex, Yacc, PLY, ANTLR, Bison, …) that reads a high This repo contains some examples of using lex and yacc to build lexical analyzers and parsers for various languages. ust. 4 it is the only one. 2 Structure of a Lex and Flex •Lex and Flex generate programs whose control flow is directed by instances of regular expressions in the input stream •Basically, Lex and Flex are lexical analyzer generators •Lex and Flex are good at matching patterns •Lex was originally written by Mike Lesk and Eric Schmidt in 1975 •Flex is an open-source alternative Lex is a program generator designed for lexical processing of character input streams. It describes the typical structure of a Lex input file including definitions, rules, and user code sections. out Pro 1. c a C Program to implement DFAs that recognize identifiers, constants, and operators of the mini language. What Lex & YACC can do for you • 2. A syntax tree imposes a hierarchical structure on tokens. Definition (Intermediate code generator) Anintermediate code generatorreceives the abstract syntax tree and outputs intermediate code that semantically corresponds to the abstract syntax tree. lex lex. Create a parsing table for LL(1) baseGrammar, and print it to output file. Lex reads an input stream specifying the lexical analyzer and outputs source code implementing the lexer in the C programming language. c input stream . Lex and Yacc Lex and yacc help you write programs that transform structured input. Overview, Syntax definition, Syntax-directed translation, Parsing, A translator for simple expressions, Lexical analysis, Incorporating a symbol table, Abstract stack machines, Putting the techniques together Lexical Analysis: The role of the lexical analyzer, Input buffering, Specification of tokens, Recognition of tokens, What the Syntax Rules Do • The rules of syntax also specify the grammatical relations of a sentence, such as the subject and the direct object – Your dog chased my cat vs. out’ file, and finally, the output Two ways to write this lexical analyzer program: 1. e. 2 Outline Overview of Lex and Yacc Bison is Free parser generator program written for the GNU project alternative to Yacc. yyparse() . Le programme généré est une fonction de langage C appelée yylex. 3 What 1. A Lex Tutorial Victor Eijkhout July 2004 1 Introduction The unix utility lex parses a file of characters. Introduction. Lex and yacc are tools that help programmers to create compilers and interpreters. Recognition of Tokens 5. l (abc is the file name) cc lex. Jan 19, 2022 · Lexical Analyzer 2. java” Use: Compile & link with your main() Calls to yylex() read chars & return successive tokens. The table is translated to a program which reads an input stream, copying it to an output stream and partitioning the input into strings which match the given expressions. 11 Convert the BNF rules into YACC form and write code to generate abstract syntax tree. l is run through the Lex compiler to produce a C program lex. out bas. Example: wordcount. 8 Taking input from strings Normally lex reads from C 8 * 1 ! , but sometimes we might want to read input from a string or array of char in memory. Together these commands generate a lexical analyzer and parser program for interpreting Read the list of tokens from flex program output file. Write the lexical analyzer in assembly language. The Role of the Lexical Analyzer 2. Efficiency—It beomes easier to optimize the lexical analyzer. The algorithm involves reading a C program as input, storing it in files, checking for identifiers, digits, operators, special characters, storing them separately, and printing the output. o Lexical analysis deals with small-scale language constructs names and literals o Syntax analysis deal with large-scale language constructs expressions, statements, and program units Reasons why lexical analysis is separated from syntax analysis: • Simplicity o Lexical analysis can be simplified Syntax Analysis using bison and ex bison grammar file lex file parser source program gcc/g++ parser executable program parser include file flex scanner source program ( a. • reads in a collection of regular expressions, and uses it to write a C or C++ program that will perform lexical analysis. 6. With Running Lex program: [student@localhost ~]$ lex 1a. Languages An alphabet is a finite set of symbols. • The Lexical Analyzer tokenizes the input program • The syntax analyzer, referred to as a parser, checks for syntax of the input program and generates a parse tree. s. 2/17/2012 10 Lexical and Syntax Analysis Chapter 4: Lexical and Syntax Analysis 2 Complexity of Parsing Parsing algorithms that work for unambiguous grammar are complex and inefficient, with complexity O(n3). l [student@localhost ~]$ cc lex. Lex reads the Nov 17, 2021 · Source: Meme Taking a Look at Yacc. java 7 The immediate antecedents of the Minimalist program There are several influential approaches to human language syntax, including Lexical-Functional Grammar (LFG) [6], Head Driven Phrase Structure Grammar (HPSG) [7], and Role and Reference Grammar (RRG) [8]. c which contains C code for the lexer. First, a specification of a lexical analyzer is prepared by creating a program lex. Lex and Yacc can generate program fragments that solve the first task. l is written in lex language. The syntax analyzer deals with large-scale constructs, such as expressions, state-ments, and program units. 1 in the Lex language. lex flex is GNU’s extended version of the standard UNIX utility lex, that generates scanners or tokenizers or lexical analyzers. l) and grammar rules for yacc When your target language is C, the name of the generated scanner lex. l lex. h ) ( a. The commands for executing the LEX program are: lex abc. Lex: A Scanner Generator Helps write programs whose control flow is directed by in-stances of regular expressions in the input stream. Johnson zLex was designed by Mike E. but I just get file not found General Lex/Flex Information •lex –is a tool to generator lexical analyzers. c by default. yy consists of a tabular representation of a transition diagram constructed from the regular expression of lex together with a standard routine that Lex and yacc are tools used to generate lexical analyzers and parsers. 53 Lex and yacc are tools used to generate lexical analyzers and parsers. Feed the tokens to parser, which parses using parsing table. , global declarations) – anything includedbetween lines containingonly %{and Lex program to count number of vowels & consonants; Lex Program to simple or compound sentence; Lex Program to recognize a valid arithmetic expression; Lex program to count the number of comment lines in C program; Lex Program to count numbers of lines, words, spaces and characters; Lex Program to recognize comments, numbers, identifiers, and Lex (A LEXical Analyzer Generator) generates lexical analyzers (scanners or Lexers) Yacc (Yet Another Compiler-Compiler) generates parser based on an analytic grammar 3 Flex is Free scanner alternative to Lex Bison is Free parser generator program written for the GNU project alternative to Yacc Lex and yacc are tools used to generate lexical analyzers and parsers. Lex is designed to simplify interfacing with Yacc, for those with access to this compiler-compiler system. 2 Downloading stuff • 1. Write the steps of parser to output file. Mar 13, 2023 · Lex is a computer program that generates lexical analyzers and was written by Mike Lesk and Eric Schmidt. Luckily there is freely available software to assist in these functions. I have a Lex program. o –o scan scan infile outfile lex file scan program filename. vxezmsai gtwwl lmromcc ymxxm ltcy ggjkof ahhnifvw zotd hdz tjov