static void Main(string[] args)
{
Pizza pizza = new LargePizza();
pizza = new Cheese(pizza);
pizza = new Ham(pizza);
Console.WriteLine($"{pizza.GetDescription()} that have a cost of {pizza.CalculateCost()}");
}
static void Main(string[] args)
{
Pizza largePizza = new LargePizza();
largePizza = new Cheese(largePizza);
largePizza = new Ham(largePizza);
Console.WriteLine(largePizza.GetDescription());
Console.WriteLine("{0:C2}", largePizza.CalculateCost());
Console.ReadKey();
}