KC9 ?????????????? ?????????? ??????????????. ????????????? KC9, ??????? ???? "???????????" ??? ??? ????????. ??????????? ????? ?????????????? ????????? KC9 ??????. ???????? ????????????????? ????????????? ????? KC9 ?????? ?????????? ????????? ???? ??????????? ??? ???? ???????? ??? ?????? ????????? ??? ??? ??? ????? ??? ??????? . Swift