??? ???? ??? ??? ?? ? ????, ????? ??? ???? ??? ???? ??? ?????.??? ?? ???? ?? ??? ?? ??? ?? ????? ??????.?? ?? ??? ???? ??? ??? ? ??? ??? ?? ??, ???? ?? ??? ?????.??????? ??? ??? ???? ??? ?? ???? ???? ?????? ??? ????, ??????? ????????.??????? ??? ???? ??? ??? ??? ????, ???? ??? ???, ??? ???? ? ??? ?? ? ?? ??? ??????.In these kinds of instances, Para