using System;

​

public interface IRemoteControl

{

    void TurnOn();

    void TurnOff();

}

​

public class Television : IRemoteControl

{

    public void TurnOn()

    {

        Console.WriteLine("TV is now ON");

    }

​

    public void TurnOff()

    {

        Console.WriteLine("TV is now OFF");

    }

}

​

class Program

{

    static void Main()

    {

        IRemoteControl remote = new Television();

        remote.TurnOn();

        remote.TurnOff();

    }

}

​

​