if __name__ == '__main__':
    N = input()
    s = input()
    s_copy = ""
    while (s_copy != s):
        s_copy = s
        s = s.replace("))", ")+1)")
        s = s.replace(")(", ")*(")
        s = s.replace("()", "(1)")

    print(s)
    r = eval(s)
    print(r)