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