?? ???? ??????? ???????? , ????? ??????? ????????? ?????????? ???? ???? ?????? ????? ??????? ???????. ?????? ??? ??????? ??????? ????? ??????? ?????? ?? ???? ???? . ???????? ???? ????? ?????? ?? ??? ???????? ???? ???? ??????? ?? ??? ??????? . {?????? ??? ?????? ??????? ?????? ???? ??? ?????? ????? ?????? ? ??? ?????? { ????? ???? ??????? ???