%{
#include <stdio.h>
#include <stdlib.h>
%}
 
%%
 
[0-9]+   {
            int num = atoi(yytext);
            printf("\nMultiplication Table for %d:\n", num);
            for(int i = 1; i <= 10; i++) {
                printf("%d x %d = %d\n", num, i, num * i);
            }
         }
 
[ \t\n]+   ;   // ignore spaces and newline
 
.          { printf("Invalid input\n"); }
 
%%
 
int main() {
    printf("Enter a number: ");
    yylex();
    return 0;
}
 
int yywrap() {
    return 1;
}

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NQ==

5