UVA11220 Decoding the message.

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2161 [PDF](https://uva.onlinejudge.org/external/112/p11220.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11220/a87f88a3c1b813090e4e9459e607e1b76ee26dee.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11220/94abd433099542c16c942aa8af44bfc65fb6cbf3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11220/be249e0dcd39d68e8199abc3b63270026e9d5712.png)