using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Boo1.moo1);

        Console.WriteLine(Boo2.moo2);

    }

    public static class Boo1

    {

        public static string moo1 = "moo1";

    }

    public static class Boo2

    {

        public static string moo2 = "moo2";

    }

}