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