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