#include <stdio.h>

int factorial(int n) {
   if (n == 0)
      return 1;
   else
      return (n * factorial(n-1));
}

int main(){
    int n,result;
    printf("Enter the value of n: ");
    scanf("%d",&n);
    result = factorial(n);
    printf("Factorial is : %d",result);

    return 0;
}