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();
  boolean flag=solve(x,y);
  System.out.println(flag?"Yes":"No");
}
  static boolean solve(int x,int y)
  {  if(y>x*4 || y%2==1) return false;
   
   if(2*x==y || 4*x==y)
      return true;
   
   if(y/2-x >=0 && 2*x -y/2 >=0)
     return true;
   
   return false;
   
  }
}

/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