import java.util.*;

public class Main{
	public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      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 all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    }
} Main public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    } main {
      Scanner sc = new Scanner(System.in);
      int all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int all = sc.nextInt(); all sc.nextInt() sc.nextInt sc int leg = sc.nextInt(); leg sc.nextInt() sc.nextInt sc for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      } int i = 0; int i = 0; i 0 i<= all i all i++ i++ i {
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      } {
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      } if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        } ((i*2) + (all-i)*4) == leg ((i*2) + (all-i)*4) (i*2) i 2 (all-i)*4 (all-i) all i 4 leg {
          System.out.println("Yes");
          return;
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" return; 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 all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    }
} public class Main{
	public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    }
} Main
import java.util.*;

public class Main{
	public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int all = sc.nextInt();
      int leg = sc.nextInt();
      for(int i = 0; i<= all; i++){
      	if(((i*2) + (all-i)*4) == leg){
          System.out.println("Yes");
          return;
        }
      }
      System.out.println("No");
    }
}