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((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x) {
			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((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && 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();
		if((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && 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();
		if((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && 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 if((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x) {
			System.out.println("Yes");
		}
		else {
			System.out.println("No");
		} (4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x (y-2*x)%2==0 (4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x (4*x-y)%2==0 (4*x-y)%2 (4*x-y) 4*x 4 x y 2 0 4*x>=y 4*x 4 x y (y-2*x)%2==0 (y-2*x)%2 (y-2*x) y 2*x 2 x 2 0 y>=2*x y 2*x 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();
		if((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && 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();
		if((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x) {
			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((4*x-y)%2==0 && 4*x>=y && (y-2*x)%2==0 && y>=2*x) {
			System.out.println("Yes");
		}
		else {
			System.out.println("No");
		}
	}
}
