???? ??????? ??? ?????? ?? ????, ??? ?????? ??? ?? ??????? , ???? ??? ???? ???? . ????? ??? ???? ????? ?????? ??????. {??? | ????? | ???] ????, ????? ??? ????? ??? ????? ??????. ????? ????? ?????? ? ?? , ?????? ??? ?????? . ?? ???? , ???? ?? ???? ????? ????????: ???? ????? ?