UVA590 Always on the run

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=531 [PDF](https://uva.onlinejudge.org/external/5/p590.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA590/5538cf9978d80af8f5594901ab0b3348d0c0bcad.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA590/25bb1d3855a5014eba8866c8f24994c7aa19186f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA590/d8ec169d0cc16dd0a6176d3e52308a236e960965.png)