???? ????? ?????? ???????? ??????? ?????? ???? ??? ??????? ?????? ?? ???????? ??? ?????? ???? ????. ?????? ????? ????? ?? ?????? ???? ?? ?????? list ?????? ????? ???? ????? ?? ??? ??????? ?????? ????? ?????? ????? ????? ?????? ?????. ????? ????? ????? ???????? ??? ????? ?????? ?????? ??????? ?????? ????? ??? ?? ???? ????? ??? ???? ??? ?????? ???