Median?

Source: AtCoder

Problem Statement

Given integers $a,b,c$, determine whether $b$ is the median of the three values.

Input

One line contains $a$, $b$, and $c$.

Output

Print Yes if $b$ is the median; otherwise print No.

Subtasks

• Subtask 1 (100%): $1 \le a,b,c \le 100$

Examples

Example 1

Input

5 3 2

Output

Yes

Explanation

For the sample values 5, 3, 2, evaluating the conditions in the statement gives Yes. Therefore the program prints the shown output.

Example 2

Input

2 5 3

Output

No

Explanation

For the sample values 2, 5, 3, evaluating the conditions in the statement gives No. Therefore the program prints the shown output.

Example 3

Input

100 100 100

Output

Yes

Explanation

For the sample values 100, 100, 100, evaluating the conditions in the statement gives Yes. Therefore the program prints the shown output.