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;

public class Main {
		public static void main (String[] args){
			
			Scanner in = new Scanner(System.in);
			int a = in.nextInt();
			int b = in.nextInt();
			int c = in.nextInt();

			
			if(a<b && b<c){
				System.out.println("Yes");
			}else{
				System.out.println("No");
		}
	}
}