diff --git a/labs/03/COMMNDSLEXYACC.txt b/labs/03/COMMNDSLEXYACC.txt
new file mode 100644
index 0000000..de4c54d
--- /dev/null
+++ b/labs/03/COMMNDSLEXYACC.txt
@@ -0,0 +1,3 @@
+yacc -d analizer.y
+lex analizer.l
+gcc y.tab.c lex.yy.c -ly -ll -o analizer
diff --git a/labs/03/analizer.l b/labs/03/analizer.l
new file mode 100644
index 0000000..9bafab1
--- /dev/null
+++ b/labs/03/analizer.l
@@ -0,0 +1,52 @@
+%{
+#include <stdio.h>
+#include "y.tab.h"
+%}
+%%
+a|the	{ yylval.sval = strdup(yytext); return ARTICLE; }
+boy|girl|flower	{ yylval.sval = strdup(yytext); return NOUN; }
+touches|likes|sees	{ yylval.sval = strdup(yytext); return VERB; }
+with	{ return PREP; }
+[ \t] ; 		
+\n { return 0; };	
+%%
+
+int main(int argc, char **argv) {
+    FILE    *fd;
+
+    if (argc == 2)
+    {
+        if (!(fd = fopen(argv[1], "r")))
+        {
+            perror("Error: ");
+            return (-1);
+        }
+
+        yyin = fd;
+        
+        
+        char ch;
+    int lines = 0;
+         // Counting the total number of lines in the file
+        while ((ch = fgetc(fd)) != EOF) {
+            if (ch == '\n') {
+                lines++;
+            }
+        }
+        
+        fseek(fd, 0, SEEK_SET);
+	for(int i=0;i<lines;i++)
+	yyparse();
+        
+
+        fclose(fd);
+
+        
+    }
+    else
+        printf("Usage: a.out filename\n");
+    return (0);
+}
+
+
+
diff --git a/labs/03/analizer.y b/labs/03/analizer.y
new file mode 100644
index 0000000..e6ee192
--- /dev/null
+++ b/labs/03/analizer.y
@@ -0,0 +1,36 @@
+%{
+#include <stdio.h>
+int yylex();
+void yyerror(const char *s);
+%}
+
+%union {
+ char *sval;
+ }
+
+%token <sval> ARTICLE NOUN VERB PREP
+%type <sval> nounphrase verbphrase prepphrase complexnoun complexverb sentence
+
+
+%%
+
+input: sentence	{printf("PASS\n");}
+ ;
+sentence: nounphrase verbphrase
+ ;
+nounphrase: complexnoun	
+	| complexnoun prepphrase        
+ ; 
+verbphrase: complexverb
+ ;
+prepphrase: PREP complexnoun	    
+ ;
+complexnoun: ARTICLE NOUN	    
+ ;
+complexverb: VERB
+	| VERB nounphrase    
+ ;
+ 
+%%
+ 
+
diff --git a/labs/03/analyzer b/labs/03/analyzer
new file mode 100644
index 0000000..eda345f
Binary files /dev/null and b/labs/03/analyzer differ
diff --git a/labs/03/test.txt b/labs/03/test.txt
new file mode 100644
index 0000000..204fb9f
--- /dev/null
+++ b/labs/03/test.txt
@@ -0,0 +1,6 @@
+a boy sees
+the boy sees a flower
+a girl with a flower likes the boy
+a flower sees a flower
+dada
+the boy