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