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 = trim(fgets(STDIN));
    $array_area=explode(" ", $input);
    $a = $array_area[0];
    $b = $array_area[1];
    $c = $array_area[2];
    $result= $a < $b && $b < $c? "Yes" : "No";
    print $result;
    ?>