?? ?????????? ????? ?????????? ?? ??? ?? ?????? ??? ???????? ??????? ???? ???????????. ??? ?????? ?? ?????????????? ??????????? ??????????, ??????? ?????????? ????? ?????????? ??? ?????? ??? ?? ???????????? ?? ?????, ?? ????????? ?? ???? ??? ????????? ??????? ??? ?? ???????????? ??????????? ?? ??? ?????? ??? ??????.These steps are called conversion