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: Accepted)

<?php

$stdin = preg_split('/ /', trim(fgets(STDIN)));
$a = intval($stdin[0]);
$b = intval($stdin[1]);
$c = intval($stdin[2]);

if ($a < $b && $b < $c) {
	print("Yes\n");
} else {
	print("No\n");
}