????? ??????? ????? ??? ???? ?? ????? ??????? ?????????? ???????. ??? ??? ???? ?? ???? ?????? ?????? ????? ??????????, ????? ??? {?????? ?????. ???? ??????? XYZ: ????? ?????? ???? ????? ???? ??????? ABC: {?? ?????? ??????{ ? ??????? ? ?????? ????? ???? ????? DEF: ????? ???????? ??? ?? ?????>