UVA11319 Stupid Sequence

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2294 [PDF](https://uva.onlinejudge.org/external/113/p11319.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11319/4dcc35e6e3ea4c5d05d905d855e5e4a030d09bac.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11319/4181b201887adb0732c1d88bb0b39071cc62ef22.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11319/7abb33a72895b4ff3be346fe8da71030b034c03d.png)