??? ??? ?? ??????? ?? ????????, ???? ????????? ???? ????-?????????? ?????? ??? ?? ???????? ???? ???????? ??? ????? ?? ???????? ??????????????? ???? ??? ???????? ??? ??? ?? ?????????.????? ?????? ??? ????? ?????????? ??????? ?????? ??? ??????? ??? ????????? ????? ????? ????.However, if we begin now, we can easily obtain the aim of maintaining money