(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((h (read))
         (n (1- (read)))
         (hs (sort (loop repeat n collect (read)) #'>))
         (ans 1))
    (loop for i below n
          while (< h (elt hs i))
          do (incf ans)
          finally (princ ans))
    (case (mod ans 10)
      (1 (princ "st"))
      (2 (princ "nd"))
      (3 (princ "rd"))
      (t (princ "th")))
    (terpri)))
(main)