????? ???? ??, ???? ??????? ???????????? ?????? ???? ???? ????????: ????????????? ??????.(??~ ?????? ???? = ??~ ?????? ????)???????? ??, ??? ???? ?????????? ???? ???? ??????????.???????? ???? ?? ????? ???? ????????? ?????????? ?????? ?? ???? ?? ????????????.???? ????? ?????? ????? ?? ??????? ?? ????. ?????? ?????? ???????????? ?? ?? ??????? ???????