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