?? ???? ?? ????? ????? ??? ???? ????? ????? !???? ??? ?????? ???? ???? ??? ?????? ??????! ?? ????? ???? ???????: ????? ???? ???? ??? ??????? ????? ?? 50% ??? 70% ?? ???? ??? ??????? ???? ???? ??????? ??? ?????? ????? ??????? ???? ?????? ??? ????? ??????? ?????? ??????? . ????? ??? ????