import java.util.*;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		final int X = sc.nextInt();
		final int Y = sc.nextInt();
		sc.close();
		if (Y % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = Y/2 - X;
		int b = 2*X - Y/2;
		if(a>=0 && b>=0){
			System.out.println("Yes");
		}else if(a < 0 || b < 0){
			System.out.println("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