import java.util.ArrayList;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        System.out.println(run());
    }

    private static ArrayList<Integer> nScan(Scanner sc, int n) {
        ArrayList<Integer> al = new ArrayList<>();
        for (int i = 0; i < n; i++) {
            al.add(sc.nextInt());
        }
        return al;
    }

    private static Object run() {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt(), y = sc.nextInt();
        sc.close();
        if (x * 2 <= y && y <= x * 4 && y % 2 == 0) return "Yes";
        return "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