?????? ?????? ??????? ??? ???? ????????? ?????? ???? ????? ???? ????? ??? ??????? ?????? ????? ??????? ??? ? ?????? ????? ?????? ??? ???? ???? ??????? ??????? ??????? ?????? ????? ???????? ??? ?? ? ??? ???????? ??? ?????? ????? ?????? ?? ????? { ?????: ????? ???? ??????? ??????? ? : ???? ?????? ??????? ??????? ???? ?????? ???? ?