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