UVA13174 The entertainment of machines

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5085 [PDF](https://uva.onlinejudge.org/external/131/p13174.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13174/add33bb37a602483d04cc7be69b6a7e827da2249.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13174/938a208c4669201633e3b64859ba811d6000250b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13174/2c82f6ca15d26a91c3f5e7237b086c717f4164c7.png)