???? ??????? ????? ?? ?? ?????????. {??? ??? ????? B ??? ??????? E ??|? ?????. ??? ??? ??? ????? G ??????? ?????. ????? ???? ??????? K ? ??????. ????? ??? ??? ?????? ????? ????? ?????? ????? ???? ???? ?????? ????? ?????? ???????? . ???????? ????? ????? ??????, ??? ???? ????????. ???? ???????? ????? ????? ?? ??? ??????? ????