import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		
		
		

		Scanner scanner = new Scanner(System.in);
		int x = scanner.nextInt();
		int y = scanner.nextInt();  //ноги
		
		String reString = "Yes";
		
		if (y % 2 != 0) {
			reString = "No";
		}
		
		if(x * 4 < y) {
			reString = "No";
		}
		if(x * 2 > y) {
			reString = "No";
		}
		
		
		System.out.println(reString);

	}}
/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