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