??? ??? ???? ?? ????? ??? ???? ?????? ????? ??????? ??? ????? ??????? , ?????? ?????? ?? ?????? ??????? . ???? ????? ????? ?? ?????? ????? ??? ?? ?????? ???? ?? {?????? ?????? * ??? {???? ??? { | ??? ???? ??? ?????. ????? ?????? ???? ?????? ????? ??? ????? ?????? ?? ???? ?????? ????? ?????