Leonardo's Notebook

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3255 [PDF](https://uva.onlinejudge.org/external/121/p12103.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12103/b561a9f03ab379fa281a514dbba7092b0e3c456e.png)

输入输出格式

输入格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12103/2de95ed92d745475b13efba08ce58915711684e2.png)

输出格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12103/1154d024ac477497fbe2c1e0d8a06e37297105e3.png)

输入输出样例

输入样例 #1

2
QWERTYUIOPASDFGHJKLZXCVBNM
ABCDEFGHIJKLMNOPQRSTUVWXYZ

输出样例 #1

No
Yes