???? ??????? ??????? ?? ????? ?????? ????? ??????? ???? ??????? ???????? ??????? ????? ?????. ???? ??? ??????? ????? ???????? ?? ??????? ???????? ???brokers ??????? ? ?????? ???????. ????? ?? ?????? ??? ??????? ??????. ??? ??? ???? ?? ???? ???? ??????? ?? ????? ??????? ????? ?? ???? ???? ??????? ???????: * ??????? ??????? * ????? ??????? ???????