#include <cstdlib>
#include <iostream>
using namespace std;
int factorial(int f){
int hasil=1;
for(int i=1;i<=f;i++){
hasil*=i;
}
return hasil;
}
int main(int argc, char *argv[])
{
int a;
cout<<"Masukan Bilangan yang akan di factorial-kan : ";
cin>>a;
cout<<endl<<a<<"! = "<<factorial(a)<<endl<<endl;
system("PAUSE");
return EXIT_SUCCESS;
}