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