UVA231 Testing the CATCHER

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=167 [PDF](https://uva.onlinejudge.org/external/2/p231.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA231/2486952d30aa54568c08a9e6cd6c96035f4c80e3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA231/78987d318df187522596127b6974e61d8b51f03e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA231/1ea258006a954710999a8477ae182fb5a22933c2.png)