import java.util.*;

public class Main {
  
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);
    int X = scan.nextInt();
    int Y = scan.nextInt();
        
    if ((Y-2*X) >= 0 && (Y-2*X)%2 == 0 && (4*X-Y) >= 0) {
      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