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();
        for (int i = 0; i <= x; i++) {
            for (int j = 0; j <= x; j++) {
                if(i + j == x) {
                    int tmp = (i * 2) + (j * 4);
                    if(tmp == y) {
                        System.out.println("Yes");
                        return;
                    }
                }
            }
        }
        System.out.println("No");
    }
}
/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