Problem Statement

Takahashi is heading to AtCoder Land. There is a signboard in front of him, and he wants to determine whether it says AtCoder Land.

You are given two strings $S$ and $T$ separated by a space. Determine whether $S=$ AtCoder and $T=$ Land.

The input is given from Standard Input in the following format:

```
$S$ $T$
```

If $S=$ AtCoder and $T=$ Land, print Yes; otherwise, print No.

-   $S$ and $T$ are strings consisting of uppercase and lowercase English letters, with lengths between $1$ and $10$, inclusive.

Yes

$S=$ AtCoder and $T=$ Land.

No

$S$ is not AtCoder.

No

Uppercase and lowercase letters are distinguished.