class Employee:
    def __init__(self, fio, otdel, dolzhnost, oklad):
        self.fio = fio
        self.otdel = otdel
        self.dolzhnost = dolzhnost
        self.oklad = oklad
        self.bonus = []
        
    def give_raise(self, amount):
        print(f'Оклад повышен на {amount} рублей, новый оклад: {self.oklad + amount}')
        self.oklad = self.oklad + amount
        
    def transfer(self, new_otdel):
        self.otdel = new_otdel

    def position(self, new_position):
        self.dolzhnost = new_position

    def give_bonus(self, bonus):
        self.bonus.append(bonus)

    def read_bonus(self):
        return self.bonus

    def remove_bonus(self):
        if len(self.bonus) != 0:
            return self.bonus.pop()
        return None

    svojstvo = property(read_bonus, give_bonus, remove_bonus)