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.*;
  
class Main{
   public static void main(String[] args){
    	Scanner input = new Scanner(System.in);
    	int a = input.nextInt();
		int b = input.nextInt();
		int c = input.nextInt();
   	if(a < b && b < c){
     	System.out.println("Yes");
   	}else{
   		System.out.println("No");
   	}
   	
  }
}