???? ??? ??? ????? ??? ?????. ????, ???????????????? ???????, ???? {????|???|??]. ????? ?? ??????? - ????? ????? {??? ??? ????, ?? ??????? ?????? ???? . ?? ??? ???? ???? ?????? , {???? ???? ?? ????????. ??? ???? ??? ???! ????? ?- ???? ?????? ????? ??????? ??? ?????? . ??????? ?????? ?????? ??????? ??? ????? ??? ?????? ????? ?? ???