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