import java.util.Scanner;

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

        if ((y%2 != 0)) {
            System.out.println("No");
            return;
        }

        int diff = y - (x * 2);
        if( diff < 0 ) {
            System.out.println("No");
            return;
        }

        if ((diff / 2) > x) {
            System.out.println("No");
            return;
        }
        System.out.println("Yes");
    }
}
/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