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