CF2214A Odd One Out

Description

![](https://cdn.luogu.com.cn/upload/vjudge_pic/CF2214A/1451a22dc8cf1f0ecf36bac2514465bf41c9fc7d56b28085b234d8e3bf8370dc.png)

Input Format

N/A

Output Format

Output exactly two characters: a single letter followed by a single digit, with no spaces or additional characters between them.