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

namespace DepthFix
{
    class Program
    {

        interface FlyAble
        {
            void Fly();
        }


        abstract class Animal
        {
            public void Describe()
            {
                Console.WriteLine("This animal is a: " + GetName() + " it makes following sound: " + GetNoise() + " and eats: " + GetFood() + " and drinks: " + GetLiquid());

                var flyAble = this as FlyAble;

                if (flyAble != null)
                    flyAble.Fly();
            }

            protected abstract string GetName();

            protected abstract string GetNoise();

            protected abstract string GetFood();

            protected virtual string GetLiquid()
            {
                return "Wasser";
            }

        }


        class Duck : Animal
        {
            protected override string GetName()
            {
                return "Ente";
            }

            protected override string GetNoise()
            {
                return "Quack";
            }

            protected override string GetFood()
            {
                return "10 Körner";
            }
        }

        class SuperDuck : Duck, FlyAble
        {
            protected override string GetName()
            {
                return "SuperEnte";
            }

            protected override string GetFood()
            {
                return base.GetFood() + " und 1 Sack Reis";
            }

            protected override string GetLiquid()
            {
                return "5 Flaschen Rum";
            }

            public void Fly()
            {
                Console.Error.WriteLine("Turboflug");
            }
        }

        static void Main(string[] args)
        {
            IList<Animal> tiere = new List<Animal>();

            tiere.Add(new Duck());
            tiere.Add(new SuperDuck());

            foreach (var tier in tiere)
                tier.Describe();


            Console.ReadLine();
        }
    }
}