?????? ???????? ??????? ?????????? ???? ?????? ?????? ?? ????????. ????? ??? ????????? ? ?????? ?????? ???? ???? ?????????? ????? ???? ????? ?????? ???????. ????? ????????? ?? ???? ????? ? ????? ??????? ???????, ??????? ???????, ?????? ??????? ?????. ??????? ?????? ????? ???? ????? {??????? PC ?????????? ?? ???????? ??????? ?? ??????????.