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();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>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