using System;
namespace Fatorial
{
public class Fatorial
{
public static long CalcularFatorial(int n) {
if (n == 0 || n == 1) {
return 1;
}
else
{
return n * CalcularFatorial( n - 1);
}
}
public static void Main(string[] args)
{
Console.WriteLine(CalcularFatorial(5));
}
}
}
