(defun check-binary-relation (a b)
  (labels ((check-bits (a b power)
             (if (< a power)
                 (format t "Yes~%")
                 (if (> (logand a power) (logand b power))
                     (format t "No~%")
                     (check-bits a b (* power 2))))))
    (check-bits a b 1)))

(defun main ()
  (let ((a (read))
        (b (read)))
    (check-binary-relation a b)))

(main)