?????????????? ??????? ??????? ??????? ??? ???? ????? ????? ??????? ??? ??? ???? ??????? ?????????? ?????? ?????????????? ??????? ??????? ??? ???? ??? ?????? ?????? ?????? ?????? ?????? ????? ???????? ??? ????? ??????????????, ????????????? ? ???????????????? ? : ??????? ???????? ????? ??????The class is divided into distinct phases, Each and every