UVA10520 Determine it

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=17&page=show_problem&problem=1461 [PDF](https://uva.onlinejudge.org/external/105/p10520.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10520/992b346ba244bade60c57d4d10222f2c45a317aa.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10520/0bef552a594484022965d4faa567f7de4e1098f2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10520/7e96c1c87b03adf7cd01b7271bcc8652f1d427a5.png)