????? ???? ????? ?????? ??????? ?? ???????? ??????? ?? ????? ???????? ???? ?? ???? ??????? ??????????? ?????? ???? ??????? ???? ?????. ?? ???? ??? ??????? ?????? ???? ????? ???? ??????? ?????? ??? ????? ???? ??? ????? ?????? ????: * ????? ????? ?????? ????????? ????? * ????? ????? ????? ????????? ???????? * ????? ???????? ????????? ??????????