import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        float x = sc.nextFloat();
        float y = sc.nextFloat();

        float b = (y-2*x) / 2;
        float a = (x-b);

        if(b>=0 && b==(int)b) {

        } else {
            System.out.print("No");
            return;
        }

        if(a>=0 && a==(int)a) {
            System.out.print("Yes");
        } else {
            System.out.print("No");
        }
        return;
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz