class Pizza:
    order_number = 1

    def __init__(self, ingredients):
        self.ingredients = ingredients

    @staticmethod
    def hawaiian():
        Pizza.order_number += 1
        ingredients = ['ham', 'pineapple']
        return Pizza(ingredients)

    @staticmethod
    def meat_festival():
        Pizza.order_number += 1
        ingredients = ['beef', 'meatball', 'bacon']
        return Pizza(ingredients)

    @staticmethod
    def garden_feast():
        Pizza.order_number += 1
        ingredients = ['spinach', 'olives', 'mushroom']
        return Pizza(ingredients)