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

namespace Interfejs
{
    class Program
    {
        static void Main(string[] args)
        {
            var kaczki = new Kaczki();

            foreach (var kaczka in kaczki)
            {
                Console.WriteLine("Kaczka {0}", kaczka);
            }

            Console.ReadKey();
        }
    }
}
