static void Main(string[] args)
{
Cat cat = new Cat("Gosho", "Wiskas");
Console.WriteLine(cat.ExplainSelf());
Dog dog = new Dog("Balkan", "Pedigrie");
Console.WriteLine(dog.ExplainSelf());
IMammal dog2 = new Animal("Street", "Bones");
Console.WriteLine(dog2.Wallking());
Console.WriteLine();
Console.WriteLine();
IMammal kuche = new Dog("Sashko", "Meat");
Console.WriteLine(kuche.Wallking());
}