import java.util.*;
class Main{
 public static void main(String args[])
 {
   Scanner sc=new Scanner(System.in);
   int x=sc.nextInt();
   int y=sc.nextInt();
   String ans="No";
   for(int i=0;i<=x;i++)
   {
     int c=x-i;
	if(2*i+4*c==y)
   {
     ans="Yes";
      break;
   }
   }
   System.out.println(ans);
 }
}

/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