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
public class Main {
	public static void main(String[] args){
		java.util.Scanner sc = new java.util.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");
			}
	}
}