Contest: Task: Related: TaskB

Score : $100$ points

You are given a string $S$, which represents a weather forecast for the seven days starting tomorrow.

The $i$-th of those seven days is forecast to be sunny if the $i$-th character of $S$ is `o`

, and rainy if that character is `x`

.

Tell us whether the $N$-th day is forecast to be sunny.

- $N$ is an integer between $1$ and $7$ (inclusive).
- $S$ is a string of length $7$ consisting of
`o`

and`x`

.

Input is given from Standard Input in the following format:

$N$ $S$

Print `Yes`

if the $N$-th of the seven days starting tomorrow is forecast to be sunny, and `No`

if that day is forecast to be rainy.

4 oooxoox

No

The forecast for each of the seven days starting tomorrow is as follows: sunny, sunny, sunny, rainy, sunny, sunny, rainy.

In particular, the fourth day is forecast to be rainy.

7 ooooooo

Yes