?? ?? ??? ??? ?? ??? ? ???? ???? ??? ?? ???? ???? ??? ? ????? '(??, ?? ??) ??????'?? ???????? ???? ????????? ???? ???????????????????????????? ??????.???? ?? ?????????? ?? ?????? ?????????? ?? ?? ?? ???- ???? ??: ??, ??, ?????????????????, ????(??, ???????? ??), ??? ????? ??????, ???? ??????I truly discover this rule very appealing