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