UVA11753 Creating Palindrome

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2853 [PDF](https://uva.onlinejudge.org/external/117/p11753.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11753/dfcf02ac8b8ce258898d9822861017965b8599ba.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11753/51700159856782a8dc0c608963d4cb47c24652b1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11753/707020fa8d6c9f75e0a5e78780a2e6b1c462664b.png)