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