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