import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	} main {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int x = scan.nextInt(); x scan.nextInt() scan.nextInt scan int y = scan.nextInt(); y scan.nextInt() scan.nextInt scan scan.close() scan.close scan if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		} y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2 x >= y x > 50 y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2 y > x * 4 y x * 4 x 4 y % 2 == 1 y % 2 y 2 1 x > 50 x 50 x >= y x y y < x * 2 y x * 2 x 2 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		} x > 0 && y == 0 x > 0 x 0 y == 0 y 0 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		} x > 25 && y > 100 x > 25 x 25 y > 100 y 100 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if (y > x * 4 || y % 2 == 1 || x > 50 || x >= y || y < x * 2) {
			System.out.println("No");
		} else if (x > 0 && y == 0) {
			System.out.println("No");
		} else if (x > 25 && y > 100) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
}