UVA11033 Help my Brother

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=22&page=show_problem&problem=1974 [PDF](https://uva.onlinejudge.org/external/110/p11033.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11033/f8c84cf4a115ee55ed7e6e08a5f678562bf00602.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11033/b7446f2a54956af313f4a1f0acf3e250249ce8a2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11033/66c0f80fe3f147177cc49da908ada8315aa89cc8.png)