from abc import ABC, abstractmethod


class Factory(ABC):
    def __init__(self, name: str, capacity: int):
        self.name = name
        self.capacity = capacity
        self.ingredients = {}

    @abstractmethod
    def add_ingredient(self, ingredient_type: str, quantity: int):
        pass

    @abstractmethod
    def remove_ingredient(self, ingredient_type: str, quantity: int):
        pass

    def can_add(self, value: int):
        free_slots = self.capacity - sum(self.ingredients.values())

        if free_slots >= value:
            return True

        return False