using System;
using System.Collections.Generic;
using System.Text;

namespace HippoAndWolf
{
    class Hippo : Animal, ISwimmer
    {
        public override void MakeNoise()
        {
            Console.WriteLine("Chrząkanie.");
        }

        public void Swim()
        {
            Console.WriteLine("Plusk! Idę popływać!");
        }
    }

}
