import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    } main {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            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 int flag = 0; flag 0 for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        } int i=0 ; int i=0 ; i 0 i<=x i x i++ i++ i {
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        } {
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        } if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            } (2*x+2*i)==y (2*x+2*i) 2*x 2 x 2*i 2 i y {
                System.out.println("Yes");
                flag=1;
                break;
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" flag=1 flag 1 break; if(flag == 0){
            System.out.println("No");
        } flag == 0 flag 0 {
            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) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    }
} Main
import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int flag = 0;
        for(int i=0 ; i<=x ; i++){
            if((2*x+2*i)==y){
                System.out.println("Yes");
                flag=1;
                break;
            }
        }
        if(flag == 0){
            System.out.println("No");
        }
        
    }
}
