using System;

public class Program

{

    public static void Main()

    {

        // Create a Dog

        var firstDog = new Dog();

        // Name it

        firstDog.GiveName("Rover");

        // Show the dog's tag       

        firstDog.ShowTag();

        firstDog.Move();

        // Now create a Kangeroo

        var firstKangeroo = new Kangeroo();

        // Make it jump!

        firstKangeroo.Jump(10);

        firstKangeroo.Move();

    }

}

​

public abstract class Animal 

{

    public void Move() 

    {

        Console.WriteLine("I have moved!");

    }

}

​

public interface INameable 

{

    void GiveName(string name);

    void ShowTag();

}

​

public interface IJump 

{

    void Jump(int height);

}

​

public class Dog : Animal, INameable 

{

    private string Name { get; set; }

    public void GiveName(string name) 

    {

        this.Name = name;   

    }

    public void ShowTag() 

    {

        Console.WriteLine("My name is " + Name);

    }

}

​

public class Kangeroo : Animal, IJump 

{

    public void Jump(int height)

    {

        Console.WriteLine("I am a Kangeroo and have jumped " + height.ToString() + " meters");

    }   

}