

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer tokenizer = null;
    int totalCases, testNum;

    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

    void solve() throws IOException {

    }

    void execute() throws IOException {
        long x = ni();
        long y = ni();
        int div = (int) (y / 2 - x);
        boolean res = div >= 0 && y <= 4*x && y % 2 == 0;
        if (res) {
            out.println("Yes");
        } else {
            out.println("No");
        }

        out.close();
    }

    public static void main(String[] args) throws IOException {
        new Main().execute();
    }

    void debug(Object... os) {
        System.out.println(Arrays.deepToString(os));
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String ns() throws IOException {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            tokenizer = new StringTokenizer(br.readLine());
        }
        return tokenizer.nextToken();
    }

    String nline() throws IOException {
        tokenizer = null;
        return br.readLine();
    }

    boolean input() throws IOException {
        return true;
    }

}

/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