using System;

public class Program

{

    public class Animal{

        public string color = "White";

    }

    public class Dog : Animal

    {

        string color = "Black";

        public void showColor()

        {

            Console.WriteLine(base.color);

            Console.Write(color);

        }

    }

    public static void Main()

    {

        Dog obj = new Dog();

        obj.showColor();

        //Console.WriteLine("Hello World");

    }

}