codeforce_python_blank.py

import sys


def read_line():
    return sys.stdin.readline().split()


def read_int_iter():
    return map(int, read_line())


def read_int_array():
    return list(read_int_iter())


def init_array(n, default=0):
    return [default] * n


def iota(n, start=0):
    return list(range(start, n))


def print_iter(a):
    sys.stdout.write(' '.join(map(str, a)) + '\n')


def problem_a():
    pass


def problem_b():
    pass


def problem_c():
    pass


def problem_d():
    pass


def problem_e():
    pass


def problem_f():
    pass


def problem_g():
    pass


def problem_h():
    pass