UVA11691 Allergy Test

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2738 [PDF](https://uva.onlinejudge.org/external/116/p11691.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11691/cac60dbef2af4e79d7f8b8ac344c0960c4056914.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11691/1f16bf6f393bda15590dd9fce0f4451c64e14424.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11691/37579bd844e41c5d63d3957771ae4e2cddbf4719.png)