(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((a (read))
         (b (read))
         (c (read)))
    (format t "~a~%" (if (>= (* 2 (floor (1- (+ a b)) b))
                             (* 3 (floor (1- (+ a c)) c)))
                         "YES"
                         "NO"))))

(main)