????? ???? ???? ?????? ????? ?? ????? ?? ?????? ?????? ??????? . ????? ??? ????????? {??????? ???????? ?????????? . ????? ???? ???? ????? ??????? ?? ???? ????? ??????? ?? ??????. ????? {??????? ?????? ???? ???? ?????? ??? {?????? ??????? . ?????? ????? {?????? ?????????? ????? ?????? ?????? {???? ?? ????)(. ????? ?? ?????? ???????