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