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