?????? ?????? ???? ?????? ???? ???????????????? ?????????? ???? ???????? ????? ??? ?? ????? ?????? ??????? ??????? ?? ??? ??? ???????? 10 ?? ???? ?? ??????? ??? ??? ????????? ?????? ??????????? ?? ??????? ?????? ??? ??? ??? 10 ????????? {?????????????. {??????????? ?????? ??? ?? ????????