import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			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) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

} Main public static void main(String[] args) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) int numx = s.nextInt(); numx s.nextInt() s.nextInt s int numy = s.nextInt(); numy s.nextInt() s.nextInt s s.close() s.close s boolean ans = true; ans true if(numy % 2 == 1) {
			ans = false;
		} numy % 2 == 1 numy % 2 numy 2 1 {
			ans = false;
		} ans = false ans false if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		} numy < numx * 2 || numy > numx * 4 numy < numx * 2 numy numx * 2 numx 2 numy > numx * 4 numy numx * 4 numx 4 {
			ans = false;
		} ans = false ans false if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} ans {
			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) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

} public class Main {

	public static void main(String[] args) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		//スキャナー
		Scanner s = new Scanner(System.in);

		int numx = s.nextInt();
		int numy = s.nextInt();
		
		s.close();
		
		//true=Yes
		boolean ans = true;
		
		if(numy % 2 == 1) {
			ans = false;
		}
		if(numy < numx * 2 || numy > numx * 4 ) {
			ans = false;
		}
		
		if(ans) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

}
