import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {

	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String array[] = br.readLine().split(" ");
	int x = Integer.parseInt(array[0]);
	int y = Integer.parseInt(array[1]);
	int z = y % 4;
	if ((z == 0 || z % 2 == 0) && 4 * x >= y && 2 * x <= y) {
	    System.out.println("Yes");
	} else {
	    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