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.*;

class Main{

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a= sc.nextInt(),   b= sc.nextInt(),  c= sc.nextInt();

		System.out.println( (a<b && b<c)? "Yes":"No");
	}
}