(define (main args)
  (for-each print
            (let loop [(str (read-line))
                       (mxl 0)
                       (ans '())]
              (let [(mt (rxmatch #/([^ｗ]+)(ｗ+)/ str))]
                (cond [mt (let [(mts (rxmatch-substring mt 1))
                                (mtl (string-length (rxmatch-substring mt 2)))]
                            (cond [(< mxl mtl) (loop (rxmatch-after mt) mtl (list mts))]
                                  [(= mxl mtl) (loop (rxmatch-after mt) mxl (cons mts ans))]
                                  [else (loop (rxmatch-after mt) mxl ans)]))]
                      [else (reverse ans)])
                )))
  0)