????? ? ?????? ???????? ??????? ???? ?? ???? ?????? ??????? ??? ??? : ????? ??? ??? ???? ??? ???+ ??? ???????? ????? + ??? ???? ???????? ????????? ??? ???? ??? ???? + ????? ??? ??? ??? ???? ????? ??? ???????? ????? ? ???? ??????? ??????????? ???? ??????? ????? ???? ???? ????? ??? ?????????? ?????? ??????? ?? ???? ???? ? ???? ? % ?,???,??? ???,??? ?