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using System;

​

public class HelloWorld

{

    public static void Main(string[] args)

    {

        Console.WriteLine ((int)e.one);

        Console.WriteLine ((int)e.two);

        Console.WriteLine ((int)e.three);

        Console.WriteLine (e.one|e.two);

        Console.WriteLine (e.one|e.two|e.three);      

        Console.WriteLine (((int)(e.one|e.two|e.three)&3&2)>0);

​

    }

}

public enum e : int{

    one = 1<<0,

        two = 1<<1,

            three = 1<<2

}