static void Main(string[] args, PetStore <Dog> dogStore, PetStore <Cat> catStore, PetStore <Fish> fishStore)
            {
                dogStore.Pets.Add(new Dog("Bruno", 8, true, "Bone"));
                dogStore.Pets.Add(new Dog("Aron", 5, false, "Steak"));
                catStore.Pets.Add(new Cat("Maca", 10, false, 9));
                catStore.Pets.Add(new Cat("Tom", 4, true, 7));
                fishStore.Pets.Add(new Fish("Nemo", 0, "Gold", 1));
                fishStore.Pets.Add(new Fish("Sharky", 1, "Blue", 2));

                dogStore.BuyPet("Aron");
                catStore.BuyPet("Maca");

                dogStore.PrintPets();
                catStore.PrintPets();
                fishStore.PrintPets();

                Console.ReadLine();
            }
 static void Main(string[] args)
 {
     PetStore <Dog>  dogStore  = new PetStore <Dog>();
     PetStore <Cat>  catStore  = new PetStore <Cat>();
     PetStore <Fish> fishStore = new PetStore <Fish>();