UVA726 Decode

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=667 [PDF](https://uva.onlinejudge.org/external/7/p726.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA726/f710963a738b4e26d9c6785fe5f88380bfff1d01.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA726/46823a20ef4cda25bfcc84936db9f290a2bce478.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA726/c6d2ea37be7d6ac774c4890bb9033a850c94a059.png)