using System;

public class Program

{

    public enum Demo{

        Red,

        Green, Blue

    }

    public static void Main()

    {

        var test = string.Join(",", Enum.GetNames(typeof(Demo)));

        Console.WriteLine(test);

        var test2 = Enum.GetName(typeof(Demo), 1);

        Console.WriteLine(test2);

        Console.WriteLine(((int)Enum.Parse(typeof(Demo), "Red")).ToString());

    }

}