from lib import get_data


def f(i):
    i //= 3
    i -= 2
    return i


def part_1(data):
    print(sum([f(int(line)) for line in data.splitlines()]))


def part_2(data):
    r = 0
    for line in data.splitlines():
        i = f(int(line))
        while i > 0:
            r += i
            i = f(i)
    print(r)


def main():
    data = get_data(__file__)
    part_1(data)
    part_2(data)


if __name__ == "__main__":
    main()