import java.util.Scanner;

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

        int numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    } main {
        Scanner sc = new Scanner(System.in);

        int numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int numAnimals = sc.nextInt(); numAnimals sc.nextInt() sc.nextInt sc int numFeet = sc.nextInt(); numFeet sc.nextInt() sc.nextInt sc int maxFeet = 4 * numAnimals; maxFeet 4 * numAnimals 4 numAnimals int minFeet = 2 * numAnimals; minFeet 2 * numAnimals 2 numAnimals if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        } minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0 minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0 minFeet <= numFeet minFeet numFeet numFeet <= maxFeet numFeet maxFeet numFeet % 2 == 0 numFeet % 2 numFeet 2 0 {
            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 numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            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 numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    }
} Main
import java.util.Scanner;

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

        int numAnimals = sc.nextInt();
        int numFeet = sc.nextInt();

        int maxFeet = 4 * numAnimals;
        int minFeet = 2 * numAnimals;

        if(minFeet <= numFeet && numFeet <= maxFeet && numFeet % 2 == 0){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    }
}