#include <iostream>
#include <stdlib.h>

using namespace std;

int factorial(int x);

int main()
{
   int inputnum;

   cout << "Input a number from 1 to 10" << endl;
   cin >> inputnum;
   cout << endl;

   cout  << "factorial(" << inputnum << ") = " <<  factorial(inputnum) << endl;

   return 0;
}

int factorial(int x)
{
   /* 
       Write your code to compute the factorial here ,           
       Don't add anything anywhere else except for this function 
   
       Example: factorial(4) = 4 * 3 * 2 * 1 = 24
                factorial(5) = 5 * 4 * 3 * 2 * 1 = 120
                factorial(5) = 5 * 24            = 120
   */
}