%{
    #include<stdio.h>
    int n;
%}

%%

[0-9]+ 
{
  n=atoi(yytext);
  printf("Multiplication Table of %d is: \n",n);
  for(int i=1;i<=10;i++)
  {
    printf("%d X %d = %d\n",n,i,n*i);
  }
}

. { printf("Invalid Input! Please Enter a number: ");}
%%

int main()
{
  printf("Enter the number: ");
  yylex();
  return 0;
}
int yywrap()
{
    return 1;
}