import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%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 x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%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 x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%2==0){
            System.out.println("Yes");
        }
        else System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);
        int x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%2==0){
            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 if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%2==0){
            System.out.println("Yes");
        }
        else System.out.println("No"); y>4*x y 4*x 4 x {
            System.out.println("No");
            return;
        } System.out.println("No") System.out.println System.out System System.out "No" return; if(y<2*x){
            System.out.println("No");
        }
        else if(y%2==0){
            System.out.println("Yes");
        }
        else System.out.println("No"); y<2*x y 2*x 2 x {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" if(y%2==0){
            System.out.println("Yes");
        }
        else System.out.println("No"); y%2==0 y%2 y 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 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();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%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 x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%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 x =sc.nextInt();
        int y =sc.nextInt();
        if(y>4*x){
            System.out.println("No");
            return;
        }
        else if(y<2*x){
            System.out.println("No");
        }
        else if(y%2==0){
            System.out.println("Yes");
        }
        else System.out.println("No");
    }
}