static void Main()
{
IPizza pizza = new Pizza("medium");
Console.WriteLine(pizza.ShowIngredients());
Console.WriteLine("Price: " + pizza.ShowPrice());
IPizza pepperoniPizza = new PepperoniDecorator(pizza);
Console.WriteLine(pepperoniPizza.ShowIngredients());
Console.WriteLine("Price: " + pepperoniPizza.ShowPrice());
IPizza sauceAndPepperoniPizza = new TomatoSauceDecorator(pepperoniPizza);
Console.WriteLine(sauceAndPepperoniPizza.ShowIngredients());
Console.WriteLine("Price: " + sauceAndPepperoniPizza.ShowPrice());
IPizza saucePepperoniAndCheesePizza = new FourCheeseDecorator(sauceAndPepperoniPizza);
Console.WriteLine(saucePepperoniAndCheesePizza.ShowIngredients());
Console.WriteLine("Price: " + saucePepperoniAndCheesePizza.ShowPrice());
}
