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