using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        A<garbage> a = new A<garbage>();

        a.game = new garbage();

        a.D();

    }

}

class garbage

{

    static void baaa()

    {

       Console.WriteLine("baaaa");

    }

}

class A<T>

{

   public T game;

   public void D()

   {

      Console.WriteLine(game.baaa());

   }

}