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 argv[])
    {
	Scanner scan = new Scanner(System.in);

	int num = scan.nextInt();
	int num1 = scan.nextInt();
	int num2 = scan.nextInt();


	if( num < num1 && num1 < num2)

	    System.out.println("Yes");
else
	System.out.println("No");
    }

}