UVA11222 Only I did it!

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2163 [PDF](https://uva.onlinejudge.org/external/112/p11222.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11222/a5c18375f44d5f10630e030e0a00eb3db6579344.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11222/93d6973384ddc053891ba97040bfa26edee7e01c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11222/c3f1cba4c6f3589e939f77de8d49c88606c5786d.png)