{????????? ??????? ??? ???? ?? ?? ???. ????????? ????? ?? ?? ??????? ???? ????? ?????? ?????? ?????? ????? ??? ???? ????? ??????? ????? ???? ????? ???????? ???????. ??????? ??????? ???? ??????? ???????? ??????? ??? shift ????? ??????? ????? ?? ?????? ???????.|??? ???? ?????? ??????? ??????? ?????? ????? ?????? ?? ??? ??? ???? ?????? ????? ???? ????