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