import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scan = new Scanner(System.in);
		
		int x = scan.nextInt();
		int y = scan.nextInt();
		
		int b = (y - 2*x) / 2;
		int a = x - b;
		
		if((a+b) == x && (2*a + 4*b) == y && x != 0 && y != 0 && a >= 0 && b >= 0) {
			System.out.print("Yes");
		}
		else {
			System.out.print("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