import 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();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      System.out.println("Yes");
    }
    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 x = sc.nextInt();
    int y = sc.nextInt();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      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();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      System.out.println("Yes");
    }
    else{
      System.out.println("No");
    }
  } main {
    Scanner sc = new Scanner(System.in);
    int x = sc.nextInt();
    int y = sc.nextInt();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      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 boolean flag = false; flag false for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    } int i = 0; int i = 0; i 0 i <= x i x i++ i++ i {
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    } {
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    } if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      } 2 * i + 4 * (x - i) == y 2 * i + 4 * (x - i) 2 * i 2 i 4 * (x - i) 4 (x - i) x i y {
        flag = true;
        break;
      } flag = true flag true break; if(flag){
      System.out.println("Yes");
    }
    else{
      System.out.println("No");
    } flag {
      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();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      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();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      System.out.println("Yes");
    }
    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 x = sc.nextInt();
    int y = sc.nextInt();
    boolean flag = false;
    for(int i = 0;i <= x;i++){
      if(2 * i + 4 * (x - i) == y){
        flag = true;
        break;
      }
    }
    if(flag){
      System.out.println("Yes");
    }
    else{
      System.out.println("No");
    }
  }
}
