using System;

public class Program

{

    abstract class Napoj

    {

        public virtual void ShowText()

        {

            Console.WriteLine("Text from NAPOJ");

        }

    }

​

    abstract class Skladnik : Napoj

    {

        new public abstract void ShowText();

    }

​

    class Czekolada : Skladnik

    {

        public override void ShowText()

        {

            Console.WriteLine("Text from CZEKOLADA");

        }

    }

    public static void Main()

    {

         Napoj czekolada = new Czekolada();

         czekolada.ShowText();

    }

}