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