import java.util.*;
import java.lang.Integer; 

public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    double x = sc.nextInt(); // 頭数
    double y = sc.nextInt(); // 足の数
    double crane = -(y/2) + 2*x;
    double turtle = x - crane;
    if(turtle < 0 || crane < 0 || turtle % 1 != 0 || crane % 1 != 0 ){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
}
/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