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