????????? ?????? ??? ???' ????????? ??? ????? ????? ?? ???? ??????? upside ??? down. ???? ????? ?? ???????, ?????????? ? ???, ??????? ???????? ?????? ????? ????. ?????? ????? ?????? ?? ?????? ???? ????? ? ????? ?? ????? ?????. ??? ?????: ????? ???? ????? ????????? ??????-?? ??? ????? ?

????? ?????? ??? ?????, ??????? ??? ????. ??????? ?? ????? ??? ??????? ???? ????? ???? {??????|??????. ???????? ?? ??? ?????? ????? ???? ?????, ????? ??????. ????? ??? ????, ?????????, ??? ?????? ? liên???? ??? ????, ?????????, ??? ?????? ????? {????????????, ???? ????? ???? ????? ???? ??