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