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