(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((n (read))
         (ok 1)
         (ng 1111111))
    (loop while (> (abs (- ok ng)) 1)
          do (let* ((mid (+ ng (floor (- ok ng) 2)))
                    (c (* mid mid mid)))
               (cond ((= n c)
                       (format t "Yes~%")
                       (return-from main))
                     ((> n c)
                       (setq ok mid))
                     (t
                       (setq ng mid)))))
    (when (= n (* ok ok ok))
          (format t "Yes~%")
          (return-from main))
    (format t "No~%")))

(main)