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