(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((s (read-line)))
    (dotimes (i (1- (length s)))
      (when (and (char= #\a (aref s i))
                 (char= #\o (aref s (1+ i))))
            (setf (aref s i) #\k
                  (aref s (1+ i)) #\i)))
    (format t "~a~%" s)))

(main)