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