using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace factorial {
class Test {
static void Main(string[] args) {
int i, res;
int value = 5;
res = value;
for (i = value - 1; i >= 1; i--) {
res = res * i;
}
Console.WriteLine("\nFactorial of "+value+" = "+res);
Console.ReadLine();
}
}
}