Rename 2014-09-17-a-b-input-out-seven.md to 2014-09-17-a-b-input-output-seven.md

Author: lanyuanxiaoyao

_posts/2014-09-17-a-b-input-out-seven.md renamed to _posts/2014-09-17-a-b-input-output-seven.md

@@ -31,4 +31,4 @@ int main()
     }
 return 0;
 }
-```
+```