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