(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((x (read))
         (n (read))
         (m (read))
         (p nil)
         (q nil))
    (dotimes (_ n)
      (let* ((a (read)))
        (when (= a x)
            (setq p t)
            (return))))
    (dotimes (_ m)
      (let* ((b (read)))
          (when (= b x)
            (setq q t)
            (return))))
    (format t "~a~%" (cond ((and p q) "MrMaxValu")
                           (p "MrMax")
                           (q "MaxValu")
                           (t "-1")))))

(main)