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