import java.util.*;

public class Main {
    public static void main(String[] args){

        Scanner scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in ); scan new Scanner( System.in ) int x = Integer.parseInt( scan.next() ); x Integer.parseInt( scan.next() ) Integer.parseInt Integer scan.next() scan.next scan int y = Integer.parseInt( scan.next() ); y Integer.parseInt( scan.next() ) Integer.parseInt Integer scan.next() scan.next scan 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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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 scan = new Scanner( System.in );

        int x = Integer.parseInt( scan.next() );
        int y = Integer.parseInt( scan.next() );

        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");
        }
    }
}