import java.util.*;

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

        int x = sc.nextInt();
        int y = sc.nextInt();
        int t = x * 4;

        boolean yes = false;

        for (int i = 0; i < x; i++) {
            if(t>y) t -= 2;
            if (y == t) {
                System.out.println("Yes");
                yes = true;
            }
            if (t <= y) break;
        }

        if (!yes) 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