???? ????? ????? ????? ?? ???? ???????? ?? ????? ??? ?? ??????????? ???? ???? ????? ???? ????? ???? ?? ????? ??? ?? ??????????? × ??????? ????? ??????? ?????? ??????? ??? ???? ?????? ???? ???????? ?????? ?????? ?????? ?????? ???? ????? ?? ??????? ?????? ?????? ??? ?? ?????? ?????? ????? ??? ?????? ???????? ????? ??????? ??????? ??? ???? ???? ???