????? ??? ????? ?????????? ???? ??? ??????? ??????? ?????? ??????? ???? ???? ????? ?????? ?????? ???????.???? ????? ????? ??? ??? ?????? ?? ??? ????? ???? ???? ?????? ?? ???? ?????? ??????.OK / Achievement. It is a achievement code, indicating the ask for towards the server was correctly fulfilled. ??? ?? ???? ??????? ?? ????? ???? ? ??????? ?????