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