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: WA: Presentation Error)

<?php

//1???????????????
$inputLine = trim(fgets(STDIN));

//????§???????????????§?????????
list($comparison1, $comparison2, $comparison3) = explode(" ", $inputLine);

//1 < 2 < 3?????¶????????????
if ($comparison1 < $comparison2 && $comparison2 < $comparison3) {

	echo "Yes"."\n\r";

} else {

	echo "No"."\n\r";
}

?>