import re


def decode(symbols):
    symbols_dict = {'-': -1, '0': 0, '+': 1}
    deegre = 0
    ret = 0
    for s in reversed(symbols):
        ret += symbols_dict[s] * 3 ** deegre
        deegre += 1
    return ret


def encode(num):
    s = ''
    while abs(num) > 0:
        r = num % 3
        if r == 0:
            s = '0' + s
        else:
            if r <= 1:
                s = '+' + s
                num = int(num / 3)
            else:
                s = '-' + s
                num = int(num / 3) + 1
    return s


with open('input.txt', 'r') as file:
    data = file.read()

parser = re.search('([0,\-,+]+)\s*\(([+,-])\)\s*([0,\-,+]+)', data)
a = parser.group(1)
b = parser.group(3)

if parser.group(2) == '+':
    res = encode(decode(a) + decode(b))
else:
    res = encode(decode(a) - decode(b))

with open('output.txt', 'w') as file:
    file.write(res)