// main function
public static void Main(String[] args)
{
// Panggil semua fungsi
// AddClass.Add()
System.Console.WriteLine("The result of 100 + 35 is {0}", AddClass.Add(100, 35));
// MultiClass.Multiply()
System.Console.WriteLine("The result of 27 * 5 is {0}", MultiClass.Multiply(27, 5));
// FactorialClass.Factorial()
System.Console.WriteLine("The result of 5! is {0}", FactorialClass.Factorial(5));
}