import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        int bb = (Y - 2 * X);
        if (bb % 2 != 0 || bb < 0) {
            System.out.println("No");
            return;
        }

        int b = bb / 2;
        int a = X - b;

        if (a >= 0) {
            System.out.println("Yes");
        } else {
            System.out.println("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