(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((n (read))
         (x (read))
         (y (read))
         (r (loop repeat n collect (read)))
         (m (reduce #'min r))
         (s (reduce #'+ r))
         (d (+ (* x x) (* y y)))
         (z (- (+ s s) m)))
    (format t "~a~%" (if (or (and (= 1 n) (/= d (* s s)))
                             (< (* z z) d))
                         "No"
                         "Yes"))))

(main)