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