import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    }
} Main public static void main(String[] args) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    } main {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int x x y y asi; asi x=scan.nextInt() x scan.nextInt() scan.nextInt scan y=scan.nextInt() y scan.nextInt() scan.nextInt scan for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       } int c=0; int c=0; c 0 c<=x c x c++ c++ c {
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       } {
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       } int t=x-c; t x-c x c asi =(c*2)+(4*t) asi (c*2)+(4*t) (c*2) c 2 (4*t) 4 t if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           } asi==y asi y {
               System.out.println("Yes");
               System.exit(0);
           } System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 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) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner scan = new Scanner(System.in);
        int x,y,asi;
        x=scan.nextInt();
        y=scan.nextInt();
        
       for(int c=0; c<=x; c++){
           int t=x-c;
           asi =(c*2)+(4*t);
           if(asi==y){
               System.out.println("Yes");
               System.exit(0);
           }
       }
        System.out.println("No");
    }
}
