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