/*
*This program illustrates how to compute the factorial of a given integer using a function.
*
*
*/

#include<iostream>
#include <cmath>
using namespace std ;


unsigned int factorial ( unsigned int num )

{
  int i =1, fact;
  fact =i ;
  
 
  while(i<=num)
    {
      fact=fact*i;
      i++;
    }

  return fact ;
  //cout<<"The factorial is "<<fact<< endl;
 
}




int main()
{

  
  unsigned int num =0 ;
  unsigned int num_1,num_2 ;



 
 
  cout << "Enter the no." << endl;
  cin >> num;
  

  //Calculate the factorial using loop
  cout << "the factorial is: " << factorial(num) << endl;
  
 
 
  return 0;
}