import java.util.*;
class Main
{
  public static void main(String args[])
  {
    Scanner sc= new Scanner(System.in);
    int n=sc.nextInt();
    int p=sc.nextInt();
    int ll=n*2;
    int ul=4*n;
    if(p%2!=0)
      System.out.println("No");
    else if(p>=ll && p<=ul)
      System.out.println("Yes");
    else
      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