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