import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int X = sc.nextInt(); X sc.nextInt() sc.nextInt sc int Y = sc.nextInt(); Y sc.nextInt() sc.nextInt sc sc.close() sc.close sc if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        } Y % 2 == 1 Y % 2 Y 2 1 {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" {
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        } if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            } Math.round((double)Y/4) <= X && Y/2 >= X Math.round((double)Y/4) <= X Math.round((double)Y/4) Math.round Math (double)Y/4 (double)Y 4 X Y/2 >= X Y/2 Y 2 X {
                System.out.println("Yes");
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
                System.out.println("No");
            } System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int Y = sc.nextInt();
        sc.close();

        if(Y % 2 == 1){
            System.out.println("No");
        }else{
            if(Math.round((double)Y/4) <= X && Y/2 >= X){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
}
