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();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int X = scanner.nextInt();
        int Y = scanner.nextInt();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int X = scanner.nextInt();
        int Y = scanner.nextInt();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    } main {
        Scanner scanner = new Scanner(System.in);

        int X = scanner.nextInt();
        int Y = scanner.nextInt();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int X = scanner.nextInt(); X scanner.nextInt() scanner.nextInt scanner int Y = scanner.nextInt(); Y scanner.nextInt() scanner.nextInt scanner System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No") System.out.println System.out System System.out Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No" Y%2 == 0 && X*2 <= Y && Y <= X*4 Y%2 == 0 && X*2 <= Y && Y <= X*4 Y%2 == 0 Y%2 Y 2 0 X*2 <= Y X*2 X 2 Y Y <= X*4 Y X*4 X 4 "Yes" "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int X = scanner.nextInt();
        int Y = scanner.nextInt();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int X = scanner.nextInt();
        int Y = scanner.nextInt();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    }
} Main
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();

        System.out.println(Y%2 == 0 && X*2 <= Y && Y <= X*4 ? "Yes" : "No");
    }
}