UVA12758 Help Gollum

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4611 [PDF](https://uva.onlinejudge.org/external/127/p12758.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12758/41b0e1fe3c07a699b082b78510c13ec13ff7c4d5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12758/3de075adb99296be5019a43f0c953b2b9c2a179d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12758/90cfe7f9aa30b43db3dc56738fd26f6ec74d1d32.png)