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