(define (main args)
  (let* ([n (string->number (read-line))]
         [pl (string->list (read-line))]
         [rv (make-vector (+ n 1) 0)])
    (let loop ([st '()]
               [pl pl]
               [i 1])
      (cond [(null? pl) #t]
            [(char=? (car pl) #\() (loop (cons i st) (cdr pl) (+ i 1))]
            [else (vector-set! rv (car st) i)
                  (vector-set! rv i (car st))
                  (loop (cdr st) (cdr pl) (+ i 1))]))
    (vector-for-each-with-index (lambda (i x) (if (> i 0) (print x))) rv))
  0)