Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Constraints

* 0 ≤ a, b, c ≤ 100

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.

Examples

Input

1 3 8


Output

Yes


Input

3 8 1


Output

No

import java.util.Scanner;

class Main{
 public static void main(String[] args){
  Scanner sc = new Scanner(System.in);

  int a = sc.nextInt();
  int b = sc.nextInt();
  int c = sc.nextInt();

  if((a < b) && (b < c))
   System.out.println("Yes");

  else
   System.out.println("No");
 }
}
