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