???? ????? ??????? ???????? ??? ?????? ??? ????? ????? ?????? ??? ?????? ?? ??????. ??? ?????? ????? ???????? ??? ????? ??????? ?????? ?????. ???????? , ???? ???? ??? ??? ???????? {?? ???|?? ????|???] ??????. ??? ???? ?????? : ???? ??????? ?????? ??? ???? ?????? ????? ?????????. ??? ???? ?????? : ???? ??????? ???????? ??????? ?? ?????