UVA279 Spin

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=215 [PDF](https://uva.onlinejudge.org/external/2/p279.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA279/bce964231b190931e06069940df3956cd5d52b5f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA279/a47b947ad32539bd887e803f23f72da3235af33a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA279/b8ba6f829752724e32f9a3dd426dc9ad0ad3c469.png)