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