; ピリオドで分割された数字を合体させて比較する

; version 情報をリスト化
; "341.14.56763" => (341 14 56763)
(defun version-string-to-number-list (version-string)
                ; position item sequence &key from-end test test-not start end key => position
  (let ((c-prev (position #\. version-string))
        (c-next (position #\. version-string :from-end t)))
          ; read-from-string string &optional eof-error-p eof-value &key start end preserve-whitespace ⇒ object, position 
    (list (read-from-string version-string t nil :end c-prev)
          (read-from-string version-string t nil :start (1+ c-prev) :end c-next)
          (read-from-string version-string t nil :start (1+ c-next)))))

; リスト化された version 情報の大小比較
; (32 13 5) > (15 131123 67732)
(defun compare-number-list (v1 v2)
  (cond
   ((and (null v1) (null v2)) 'older)
   ((null v1) 'newer)
   ((null v2) 'older)
   ((< (car v1) (car v2)) 'newer)
   ((> (car v1) (car v2)) 'older)
   (t (compare-number-list (cdr v1) (cdr v2)))))

(defun main ()
  (let* ((v1 (version-string-to-number-list (read-line)))
         (v2 (version-string-to-number-list (read-line)))
         (ans (if (eq (compare-number-list v1 v2) 'older) "YES" "NO")))
    (princ ans)
    (terpri)))

(main)