import java.util.Scanner;

public class Main{
	public static void main(String args[]){
      Scanner scan = new Scanner(System.in);
      int X = scan.nextInt();
      int Y = scan.nextInt();
      String ans = "No";
      for(int i = 0;i < 101;i++){
          for(int j = 0;j < 101;j++){
              if(i + j == X)
                if(i * 2 + j * 4 == 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