import java.io.*;
import java.util.*;

/*
 * To execute Java, please define "static void main" on a class
 * named Solution.
 *
 * If you need more classes, simply define them inline.
 */

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    
    int X = sc.nextInt();
    int Y = sc.nextInt();
    
    System.out.println((Y >= 2*X && Y <= 4*X && Y%2==0)?"Yes":"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