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