using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace Practice_Fairytale

{

    abstract class Person

    {

        string name;

    }

​

    class Grandpa : Person

    {

        private Grandpa(string name)

        {

            name = "Дед";

            Console.WriteLine("Жили - были {0}", name);

        }

    }

​

    class Grandma : Person

    {

        private Grandma(string name)

        {

            name = "Баба";

            Console.Write(" и {0}.", name);

        }

    }

    class Program

    {

        static void Main(string[]args)

        {

​

        }

    }

​

}

​