Problem Statement

Given integers $a$, $b$, and $c$, determine if $b$ is the median of these integers.

Constraints

• $1 \\leq a, b, c \\leq 100$
• All values in input are integers.

Input

Input is given from Standard Input in the following format:

$a$ $b$ $c$

Output

If $b$ is the median of the given integers, then print Yes; otherwise, print No.

Sample Input 1

5 3 2

Sample Output 1

Yes

The given integers are $2, 3, 5$ when sorted in ascending order, of which $b$ is the median.

Sample Input 2

2 5 3

Sample Output 2

No

$b$ is not the median of the given integers.

Sample Input 3

100 100 100

Sample Output 3

Yes