import java.util.*;

class Main {

	static Scanner sc;

	static void solve() {
		int qnt = sc.nextInt();
		int legs = sc.nextInt();

		if (4*qnt < legs || legs < 2*qnt || legs % 2 != 0) {
			System.out.println("No");
			return;
		}

		System.out.println("Yes");
	}
    
    public static void main(String args[]) throws Exception {
        sc = new Scanner(System.in);

		solve();
    }
}

/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