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