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