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