using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _3b
{
    abstract class Telephone
    {
        protected string phonetype;
        public void Ring()
        {
            Console.WriteLine("Dzwoni " + this.phonetype);
        }
    }
    class DigitalPhone : Telephone
    {
        public DigitalPhone()
        {
            this.phonetype = "Digital";
        }
        public void Ring()
        {
            Console.WriteLine("Dzwoni w chuj " + this.phonetype);
        }
    }
    class TalkingPhone : Telephone
    {
        public TalkingPhone()
        {
            this.phonetype = "Talking";
        }
        public void Ring()
        {
            Console.WriteLine("Dzwoni w chuj " + this.phonetype);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            DigitalPhone EP1 = new DigitalPhone();
            TalkingPhone EP2 = new TalkingPhone();
            EP1.Ring();
            EP2.Ring();
            Console.ReadKey();
        }
    }
}