def check_parentheses(text):
    stack = []
    for char in text:
        if char == "(":
            stack.append(char)
        elif char == ")":
            if len(stack) == 0:
                return False
            stack.pop()
    return len(stack) == 0

print(check_parentheses("(()())"))
print(check_parentheses("(()"))
print(check_parentheses("())("))
print(check_parentheses("((()))"))
