using System;

​

public class Animal

{

    public Animal(string name)

    {

        name_ = name;

    }

    public void SayName()

    {

        Console.WriteLine(name_);

    }

    public string name_ {get; set;}

}

​

public class Cat : Animal

{

    public Cat(string name) : base(name)

    {

    }

    public void Meow()

    {

        Console.WriteLine("Meow, I'm a cat.");

    }

}

​

public class Dog : Animal

{

    public Dog(string name) : base(name)

    {

    }

    public void Bark()

    {

        Console.WriteLine("Bark, I'm a dog.");

    }

}

​

​

public class Program

{

    static void PrintAnimalName(Animal animal)

    {

        animal.SayName();

    }

    public static void Main()

    {

        Cat cat = new Cat("Garfield");

        Dog dog = new Dog("Barbos");

        PrintAnimalName(cat);

        cat.Meow();

        PrintAnimalName(dog);

        dog.Bark();

    }

}