def bow(l,w,h):
    base = 2*l + 2*w
    front = 2*w + 2*h
    side = 2*h + 2*l

    rib = min([base, front, side])
    rib += l*w*h

    return rib

def bow_from_str(s):
    l,w,h = map(int, s.split('x'))
    return bow(l,w,h)

def test():
    assert bow_from_str("2x3x4") == 34
    assert bow_from_str("1x1x10") == 14

def solution():
    s = 0
    with open("in2") as puzzle:
        for l in puzzle:
            s += bow_from_str(l)
    return s

if __name__ == "__main__":
    print(f"Bow: {solution()}")