using System;
public class Hello{
    public static void Main(){

        int hun = int.Parse(Console.ReadLine());
        int ten = int.Parse(Console.ReadLine());

        if((hun%2==1 && hun%2*10>ten) || ten%2==1)
            Console.WriteLine("No");
        else// if(hun%2<ten && ten%2==0)
            Console.WriteLine("Yes");
            
    }
}