UVA10030 Computer Dialogue

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=971 [PDF](https://uva.onlinejudge.org/external/100/p10030.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10030/ee8dbd81bb450eb3b86306c034d48244b2ac48d3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10030/bfd6a1c1e639d4a986719833f3b63ff149665f77.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10030/0e78e2472b6bed9c28e18c1a24b26a1c6e535ee2.png)