(defun check-p (x)
  (let* ((s (write-to-string x))
         (s (if (string= (subseq s 0 1) "-")
                (subseq s 2)
                (subseq s 1))))
    (and x (>= (length s) 2) (= (count #\0 s) (length s)))))

(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((a (read))
         (b (read))
         (a*b (* a b)))
    (cond
     ((and (check-p a) (check-p b)) (format t "~d~%" (floor a*b 10)))
     ((< (abs a*b) 100000000) (format t "~d~%" a*b))
     (t (format t "E~%")))))

(main)