???? & ?????? ???????? ???????? ???? ?? ??? ?? ???? ?? ??????????????? ???? ??? ???????????? ???????? ??????????. ??????? ???? ??????????.*?????? ?????? ?????? ?????? ??????????????.?????? ???? ?? ???? ??? ?? ?? ?????? ?????? ?????? ???? ???????? ?????????? ???????????????? ?????? ?? ???? ??????????????? ???????? ??????.I actually uncover this rule