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();
        if ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0) {
            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();
        if ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%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 ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%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 ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%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 ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        } (4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0 (Y-2*X)>=0 (4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0 (4*X-Y)>=0 (4*X-Y) 4*X 4 X Y 0 (4*X-Y)%2==0 (4*X-Y)%2 (4*X-Y) 4*X 4 X Y 2 0 (Y-2*X)>=0 (Y-2*X) Y 2*X 2 X 0 (Y-2*X)%2==0 (Y-2*X)%2 (Y-2*X) Y 2*X 2 X 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 X = sc.nextInt();
        int Y = sc.nextInt();
        if ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%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 ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0) {
            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();
        if ((4*X-Y)>=0 && (4*X-Y)%2==0 && (Y-2*X)>=0 && (Y-2*X)%2==0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}