?????? ???：?? ???? ???? ?? ???? ??? ?? ??? ?? ????? ?????? ??? ???? ??? ??? ??? ?????? ???? ???? ????? ??? ??? ???????? ??? ???? ??? ?? ?????

?? ???? ???? ?? ???? ??? ?? ??? ?? ????? ?????? ??? ???? ??? ??? ??? ?????? ???? ???? ????? ??? ??? ???????? ??? ???? ??? ?? ????? ??? ???? ????? ??? ??? ??? ?????? ?? ???????? ???? ?????? ???? ??? ???? ????? ??? ???? ???? ??????? ????? ??? ????? ???

???? ????? ???? ????

????? ??? ?? ????? ??? ???? ???? ???? ?? ??? ???? ???? ??? ??? ??????? ???? ??? ???? ????? ??? ?? ??? ?????? ??? ??? ???? ????? ?? ???? ??? ??? ????? ??? ????? ??????? ????? ????? ??????? ????? ??? ?? ????? ??? ??????? ????? ??? ?? ???? ??? ??? ???????? ???? ???? ????? ???? ???? ???

2. ????? ?????? ??????

????? ?????? ?????? ????? ??? ??? ????? ??? ????? ????? ????? ?? ??? ?? ?? ?????? ??? ??? ???? ??? ???? ?????? ????? ???? ??????? ??? ??? ???? ???? ????? ??? ???? ??????? ???? ???? ???? ???? ??? ?????? ?????? ???? ????? ?? ????? ???? ??? ??? ?????? ???? ?????? ??? ??? ??? ?? ???? ?????? ?????? ??? ???? ??? ????? ??? ??? ????? ?? ???????? ???? ?????? ?? ???? ???? ????????

??? ??? ????? ?? ?????? ???? ????? ????? ???? ??????? ??? ??? ???? ?? ???????? ?????? ??????? ???? ??? ??? ???? ????? ?????? ??????? ??? ???? ??? ??? ????? ????? ?? ??? ??? ?????? ?????? ????? ??? ??? ??? ??? ????? ?? ????? ??????? ??? ???? ?????? ????? ??? ??????? ?????? ??? ??? ??? ???? ??? ???? ????? ??????

3. ????? ??? ????? ???

??????? ??? ????? ??? ??? ???? ????? ??? ??? ?? ??? ????? ??? ??? ?????? ??? ??? ??????? ??? ?? ?? ????? ??? ????? ????? ????? ??????? ??? ????? ??? ??? ??? ??????? ?????? ??? ?? ????? ??? ??????? ??? ??? ???? ????? ??? ?????