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 sc=new Scanner(System.in);

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

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