> For the complete documentation index, see [llms.txt](https://www.introtoc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.introtoc.com/session-9/problem4.txt.md).

# problem4.txt

```
89
92
85
100
76
82
95
88
93
90
```
