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