using System;

public class Program

{

    public static void Main()

    {

        Location classroom = new Location();

        Location beach = new Location();

​

        classroom.east = beach;

        beach.west = classroom;

        bool gameover = false;

        while(!gameover) {

            Console.WriteLine("You are in the PLACE");

            string command = Console.ReadLine();

        }

    }

}

​

public class Location

{

    public Location east;

    public Location west;

    public Location()

    {

    }

}