??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
???????
??????
??????
??????
??????
??????
??????
??????
??????
??
????????????????????? ?????????
????????????????????? ?????????
??
????:
1????????????:??????
2??????
3?????98?
4?????????
5??????????
????
6
%
???:??