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