from lib import *


def parse(fields, i):
    n_children = fields[i]
    n_meta = fields[i + 1]
    i += 2
    children = []
    meta_score = 0
    for _ in range(n_children):
        c, i, m = parse(fields, i)
        children.append(c)
        meta_score += m
    for i in range(i, i + n_meta):
        meta_score += fields[i]
    i += 1
    return children, i, meta_score


def parse2(fields, i):
    n_children = fields[i]
    n_meta = fields[i + 1]
    i += 2
    children = []
    scores = []
    for _ in range(n_children):
        c, i, s = parse2(fields, i)
        children.append(c)
        scores.append(s)

    score = 0
    if n_children == 0:
        for j in range(i, i + n_meta):
            score += fields[j]
    else:
        for j in range(i, i + n_meta):
            new_i = fields[j]
            new_i -= 1
            if new_i < 0:
                continue
            if new_i < len(children):
                score += scores[new_i]
    i += n_meta
    return children, i, score


def main():
    input_file = __file__.replace(".py", ".txt")
    with open(input_file) as f:
        data = f.read()
    nums = str_to_ints(data)
    tree = parse(nums, 0)
    print(tree[2])
    tree = parse2(nums, 0)
    print(tree[2])


if __name__ == "__main__":
    main()