s = "(()("

def solution(s) :
    from collections import deque
    stack = deque()
    
    for c in s :
        if c == "(" :
            stack.append(c)
        elif c == ")" :
            if not stack :
                return False
            else :
                stack.pop()
    
    if stack :
        return False
    else :
        return True

print(solution(s))