{???????????????????{?????????|?????????|??????????? ???????????? ???????????? ??? ???? {??? a| ???? | ????? | ???? | ??????? | ??? ???? ? ??? |{?????????|????|?????????|?????????????? ??????????? ???????????????????????? ?? ????? ?? ??? |??????????????? ?? ??????????{???|??|??|??|??|??|????? ???????????????? ???? ???? ???? ??????? ???? ??????? 1?