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
class Main{
	public static void main(String[] args){
		java.util.Scanner sc = new java.util.Scanner( System.in );
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		if( a < b && b < c ) System.out.println( "Yes" );
		else System.out.println( "No" );
	}
}