//C program to find factorial of given number
#include <iostream>
using namespace std;

//Function to find factorial
// of given number
unsigned int factorial(unsigned int n)
{
    if(n == 0 || n == 1)
        return 1;
    return n*factorial(n-1);
}

//Driver Code
int main() 
{
    int num=12;
    cout<<"Factorial of"
        <<num<<"is "<<factorial(num)<<endl;
    return 0;
}