using System;

public class Program

{

    enum Numbers { One = 1, Two = 2, Three = 3, Four = 4 }

    public static void Main()

    {

        Numbers num = Numbers.Two;

        switch (num)

        {

            case Numbers.One:

                Console.WriteLine("One");

                break;

            case Numbers.Two:

            case Numbers.Three:

                Console.WriteLine("Two & Three");

                break;

            case Numbers.Four:

                Console.WriteLine("Four");

                break;

        }

    }

}