import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scn = new Scanner(System.in);
      	int x = scn.nextInt();
      	int y = scn.nextInt();
      	if(y % 2 == 1){
          System.out.println("No");
          return;
        }
      	if(x*2>y){
          System.out.println("No");
          return;
        }
        if(x*4<y){
          System.out.println("No");
          return;
        }
      	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