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