using System;

​

public class Dog

{

    public string Breed;

    public string Size;

    public string Color;

    public int Age;

    public Dog(string breed, string size, string color, int age) {

        Breed = breed;

        Size = size;

        Color = color;

        Age = age;

    }

    public void Bark()

    {

        // print bark with breed

        Console.WriteLine(Breed  + " says: Bark!");

    }

}

public class Program

{

    public static void Main()

    {

        Dog dog1 = new Dog("Pitbull", "Large", "Black", 4);

        Dog dog2 = new Dog("Australian Shepard", "Medium", "Spotted", 8);

        Dog dog3 = new Dog("Beagle", "Small", "Brown", 1);

        // bark dog 1

        dog1.Bark();

        // bark dog 2

        dog2.Bark();

        // bark dog 3

        dog3.Bark();

    }

}