class Person:
    def __init__(self, name, job = None, pay = 0):
        self.name = name
        self.job = job
        self.pay = pay
    def lastname(self):
        return self.name.split()[-1]
    def giveRaise(self, percent):
        self.pay = int(self.pay * (1 + percent))
        
class Manager(Person):
    def __init__(self, name, pay):
        Person.__init__(self, name, 'mgr', pay)

    def giveRaise(self, percent, bonus = 0.1):
        Person.giveRaise(self, percent + bonus)
        