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