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