UVA12596 Recursive Texting

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=4274 [PDF](https://uva.onlinejudge.org/external/125/p12596.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12596/75559c6dc02cb9115af747dee9bd33e33a4aa148.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12596/151a42f689de54400a30ff6388d9ff434d37b725.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12596/d5f5682c49bfcb84e8ea3154d4301b66df5a7cc8.png)