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


$values=trim(fgets(STDIN));

$values=explode(" ",$values);

if($values[0]<$values[1]){
    if($values[1]<$values[2]){
        echo "Yes","\n";
    }else{
        echo "No","\n";
    }
}else{
    echo "No","\n";
}


?>