???? ???? ????? ??? ???? ???? ?????? ???? ??????? ??? ???????? ?????????, ????? ??? ????? ????? ?????? ?????. ????? ???? ????? ?? ??? ?????? ? ????? ???? ?? ???????? ???????? ????? ???? ?????. ?? ??? ???? ?? ???? ??? ???????, ???? ?????? ??optimum. ??? 33% ? ??? ??????? ??? ???????? ??? ???????? ????? ??????? ?? ??? ???? ????? 33% ??? ??? ?????