using System;

//ccfrank_A5        

public class Zoo

{

    public string Name = "Fort Wayne Children's Zoo";

    public string City = "Fort Wayne";

    public int Capacity = 100000;

    System.Collections.Generic.List<Animal> Animals = new System.Collections.Generic.List<Animal>();

​

    public virtual void zoo()

    {

        Console.WriteLine("Name: {0}", Name);

        Console.WriteLine("City: {0}", City);

        Console.WriteLine("Capacity: {0}", Capacity);

    }

​

    public void removeAnimal()

    {

        Animals.RemoveAt(0);

    }

}

​

class Animal    

{

    public string Name = "Bill";

    public int Age = 3;

    public bool Female;

    public virtual void animals()

    {

        Console.WriteLine("Name: {0}", Name);

        Console.WriteLine("Age: {0}", Age);

        Console.WriteLine("Female: {0}", Female);

    }   

}

class Cat : Animal          

{

​

    public string Breed = "Persian";

    public string Playful = "Yes";

    public override void animals() 

    {

        base.animals();

​

        Console.WriteLine("Breed: {0}", Breed);

        Console.WriteLine("Playful: {0}", Playful);

    }

}

class Fish : Animal

{

​

    public int SwimSpeed = 20;

    public string Playful = "Yes";

    public override void animals()

    {

        base.animals();

​

        Console.WriteLine("SwimSpeed: {0}", SwimSpeed);

        Console.WriteLine("Playful: {0}", Playful);

    }

}

​

public class Program

{

    public static void Main()

    {

        Zoo z1 = new Zoo();

        z1.zoo();

        System.Collections.Generic.List<Animal> Animals = new System.Collections.Generic.List<Animal>();

        Console.WriteLine("\n");

        Animal a1 = new Cat();

        a1.animals();

        Console.WriteLine("\n");

        Animal a2 = new Fish();

        a2.animals();

    }

}