class Worker:
    def __init__(self, name, job, year, salary):
        self.name = name
        self.job = job
        self.year = year
        self.salary = salary

    def __str__(self):
        return "{} - {}".format(self.name, self.job)

def print_stazh(workers_list, years):
    print("List of workers with experience more than {} years".format(years))
    for worker in workers_list:
        if 2017 - worker.year > years:
            print(worker)

def print_salary(workers_list, salary):
    print("List of workers with salary more than {} tenge".format(salary))
    for worker in workers_list:
        if worker.salary > salary:
            print(worker)

def print_job(workers_list, job):
    print("List of workers with {} job title".format(job))
    for worker in workers_list:
        if worker.job == job:
            print(worker)

bob =  Worker('Bob D. A.',  'engenier', 2008, 150_000)
john = Worker('John E. C.', 'director', 2005, 300_000)
jake = Worker('Jake I. Y.', 'manager', 2009, 200_000)
dave = Worker('Dave K. L.', 'manager', 2016, 175_000)
workers_list = [bob, john, jake, dave]

print_stazh(workers_list, 7)
print_salary(workers_list, 175_000)
print_job(workers_list, 'manager')