UVA11460 Balance

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2455 [PDF](https://uva.onlinejudge.org/external/114/p11460.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11460/3d9a7b614f92a1b0dacd5d57e982cdad2fc34bdb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11460/5137ccc11a26da4c646a12c59e20cb5868f683a7.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11460/6393cd49154313cd74c841285f6bf5f5d708dfe9.png)