UVA11619 SPAM! (or not)

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2666 [PDF](https://uva.onlinejudge.org/external/116/p11619.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11619/c3211e33e38b3441fa808149a6523cef7a3aa47c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11619/827684e9b621d6bd9555495c22c3ba4571567e2a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11619/1317e3c2c6bd704d5bbcce3aea3e8b0cc99ca665.png)