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
list($a,$b,$c) = explode(' ', trim(fgets(STDIN)));
if ($a < $b && $b < $c) {
  print("Yes");
} else {
  print("No");
}
?>