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
$in = explode(" ",trim(fgets(STDIN)));
$a = $in[0];
$b = $in[1];
$c = $in[2];
if($c > $b)
{
    if($b > $a)
    {
        echo "Yes\n";
    }
    else {
        echo "No\n";
    }
}
else {
    echo "No\n";
}