?????? ??? ????????? ??? ????? ??? ?? ?????? ??? ???? ????? ??????? ??? ???? ??? ????? ?????? ??? ???????? ?? ??????? ??? ?????? ????? ?????????? ??????? ?????????? ???????? ??? ??????? ??????????????. ??????? ???? ???? ?????????? {?????????????????? ??? ??????. ????????????? ?????????? ????????? ??? ???????. ?????? ??????? ?????????????