using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(myClassA.myPropertyA1());

        Console.WriteLine(myClassA.myPropertyA2());

        Console.WriteLine(myClassB.myPropertyB1());

    }

    public class myClassA

    {

        public static string myPropertyA1()

        {

            return "A1";

        }

        public string myPropertyA2()

        {

            return "A2";

        }       

    }

​

    public static class myClassB

    {

        public static string myPropertyB1()

        {

            return "B";

        }

    }

}