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) throws Exception {
	Scanner scan = new Scanner(System.in);
	int x = scan.nextInt();
	int y = scan.nextInt();
	int z = scan.nextInt();
	if(x<y&&y<z&&x<z) System.out.println("Yes");
	else System.out.println("No");
	}
}