?????? ??? ?????? ???? ????? ??????? ?????? ?????? ?????. ????? ?-??? {????|????|???], ?????? ?? ?????? ???? ?????. ???? ?? ????? ????? ? ?????? B7 ???? ?? ?????? ??? , ????? ???? ????. ???????????: ?????? ???? ???? ????? ????'????? ???? ?????? ??? ????? ??? ????? ?????? ?????? ????? ???? ???. ?????? ???? ?????? ??????? ????? ?????, ??? ?