???? ??????? ????? ?? ?????? ?? ????????. {??? ??? ?????? B ??? ????? F ??|? ???. ???? ??? ??????? I ????? ??????. ????? ???? ????? K ?? ??????. ????? ??? ??? ?????? ????? ????? ?????? ????? ???? ??????? ?????? ????? ?????? ??????. ???????? ?????? ????? ??????, ??? ???? ?????