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[])
	{
		int a, b, c;
		Scanner input = new Scanner(System.in);
		a = input.nextInt();
		b = input.nextInt();
		c = input.nextInt();
		if(a < b && b < c){
			System.out.println("Yes");
		}
		else {
			System.out.println("No");	
		}
	}
}