UVA12981 Secret Master Plan

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4864 [PDF](https://uva.onlinejudge.org/external/129/p12981.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12981/813568a6ff739eb6d2add8c8a435f70ca6add25c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12981/3c2e8c4abec8c56f8133d183de66cf48eec23dd0.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12981/c02533f31946cb7cf26fe815f053726fd5586913.png)