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
$input = explode(" ", trim(fgets(STDIN)));
$a = (int)$input[0];
$b = (int)$input[1];
$c = (int)$input[2];

if (($a < $b) && ($b < $c)){
    echo "Yes".PHP_EOL;
} else {
    echo "No".PHP_EOL;
}
?>