def removeNestedParentheses(input):
    ret = ''
    skip = 0
    for i in input:
        if i == '(':
            skip += 1
        elif i == ')'and skip > 0:
            skip -= 1
        elif skip == 0:
            ret += i
    return ret

x = removeNestedParentheses('stuff (inside (nested) brackets) (and (some(are)) here) here')
print x