UVA683 Character Decoding

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=624 [PDF](https://uva.onlinejudge.org/external/6/p683.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA683/c3cd648518bc4fb1d3859210ef0e0d206a72a435.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA683/5ca3cd76c26f3a43985f86f6c85ccfb241274ba9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA683/e2c2aa6f78e84b9b7090f01f1ff09e9203d81b6b.png)