def part_1(data):
    r = 0
    for x in data.splitlines():
        r += int(x)
    print(r)


def part_2(data):
    seen = set()
    r = 0
    while True:
        for x in data.splitlines():
            r += int(x)
            if r in seen:
                print(r)
                return
            seen.add(r)


def main():
    with open("i1.txt") as f:
        data = f.read()
    part_1(data)
    part_2(data)


if __name__ == "__main__":
    main()