UVA10049 Self-describing Sequence

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=990 [PDF](https://uva.onlinejudge.org/external/100/p10049.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10049/00e6f1a83379aa5c8a35ef0a6d49ca313fa6d7b9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10049/25bd3fceb96ed68cdfc3c55845c87fe0fce29dcc.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10049/b2de7638d356059cf82353ec23ab33f6e11e87bb.png)