UVA10453 Make Palindrome

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=16&page=show_problem&problem=1394 [PDF](https://uva.onlinejudge.org/external/104/p10453.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10453/906626f089663aaf6e28095ee1fae0ca74557e06.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10453/b4c5ad5a7b7aa725a8370aef57b994aae8dd9dfa.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10453/6472ae7c398a4fb46e006ae86cb5686db89e6b50.png)