{???????????????????{?????????|?????????|??????????? ????????????? ????????????? ??? ???? {??? a| ???? | ????? | ???? | ??????? | ??? ???? ? ???? |{?????????|????|?????????|??????????????????? ??????????? ????????????????????????? ?? ????? ????? ?????? |??????????????? ???? ??????????{???|??|??|??|??|??|????? ?????????????????? ?? ?? ?? ????? ?????