static void Main(string[] args)
{
Toaster toaster = new Toaster(2);
ISlot slot1 = new ToastSlot();
slot1.InsertBread(new Bread());
ISlot slot2 = new ToastSlot();
slot2.InsertBread(new Bread());
toaster.InsertBread(slot1);
toaster.InsertBread(slot2);
toaster.StartToasting();
}