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();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  }
} 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();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  }
} Main public static void main(String[] args){
    Scanner sc =new Scanner(System.in);
    int X =sc.nextInt();int Y =sc.nextInt();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  } main {
    Scanner sc =new Scanner(System.in);
    int X =sc.nextInt();int Y =sc.nextInt();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  } 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 if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        } Y%2==1 Y%2 Y 2 1 {System.out.println("No");} System.out.println("No") System.out.println System.out System System.out "No" { int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        } int y =Y/2; y Y/2 Y 2 if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");} y-X<0 y-X y X 0 {System.out.println("No");} System.out.println("No") System.out.println System.out System System.out "No" if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");} y-2*X>0 y-2*X y 2*X 2 X 0 {System.out.println("No");} System.out.println("No") System.out.println System.out System System.out "No" {System.out.println("Yes");} System.out.println("Yes") System.out.println System.out System System.out "Yes" 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();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  }
} public class Main{
  public static void main(String[] args){
    Scanner sc =new Scanner(System.in);
    int X =sc.nextInt();int Y =sc.nextInt();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  }
} 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();
    if(Y%2==1){System.out.println("No");}
    else{ int y =Y/2;
         if(y-X<0){System.out.println("No");}
         else if(y-2*X>0){System.out.println("No");}
         else{System.out.println("Yes");}
        }
  }
}