Problem:
Range

Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Input

Three integers a, b and c separated by a single space are given in a line.

Output

Print "Yes" or "No" in a line.

Constraints

0 ≤ a, b, c ≤ 100

Sample Input 1

1 3 8

Sample Output 1

Yes

Sample Input 2

3 8 1

Sample Output 2

No

Solution in PHP (judge verdict: Wrong Answer)

<?php
while($line=fgets(STDIN)){
    $line = rtrim($line);
    $data = explode(" ", $line);
    if ($data[0] < $data[1] && $data[1] < $data[2]) {
        echo "YES". PHP_EOL;
    } else {
        echo "NO" . PHP_EOL;
    }
}