(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((y (read))
         (m (read))
         (d (read)))
    (format t "~a~%"
      (cond ((or (< y 1989) (< 2019 y))
              "No")
            ((< 1989 y 2019)
              "Yes")
            ((= y 1989)
              (cond ((< 1 m)
                      "Yes")
                    ((and (= 1 m) (< d 8))
                      "No")
                    (t
                      "Yes")))
            (t (if (<= m 4)
                   "Yes"
                   "No"))))))

(main)