??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
???????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
???????:???????
???????:???????
??
????:
1?????:?????????
2???????
3??????????????
4?????????
5????????VX
????
6
%
???:??