%{
#include <stdio.h>
#include <stdlib.h>
%}
 
%%
[0-9]+  { 
            int num = atoi(yytext);
            if (num % 2 == 0)
                printf("%s is EVEN\n", yytext);
            else
                printf("%s is ODD\n", yytext);
        }
 
\n      { /* Ignore new lines */ }
.       { printf("Invalid input: %s\n", yytext); }
 
%%
 
int main() {
    printf("Enter numbers (Ctrl+D to stop):\n");
    yylex();
    return 0;
}
 
int yywrap() {
    return 1;
}

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