import re

def get_dimentions(inp: str) -> tuple:
    result = re.match("(\d+)x(\d+)x(\d+)",inp)
    return tuple(map(int, result.groups()))

def get_wrap(inp: tuple) -> int:
    return 2 * inp[0] * inp[1] + 2 * inp[1] * inp[2] + 2 * inp[2] * inp[0] + min(inp[0] * inp[1], inp[1] * inp[2], inp[2] * inp[0])

with open("input", "r") as f:
    presents = map(get_dimentions, map(str.strip, f.readlines()))
    wrap_for_each = map(get_wrap, presents)
    print(sum(wrap_for_each))

# TODO: Missing part two