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