import java.util.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.TreeMap;
import java.util.ArrayDeque;
import java.awt.Point;
 
class Main{
    public static void main(String[] args){
        
        Scanner sc = new Scanner(System.in);
        
        int x = sc.nextInt();
        int y = sc.nextInt();

        for(int i=0; i<=x; i++) {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    } 
} import java.util.*; util.* java import java.util.ArrayList; ArrayList java.util import java.util.Collections; Collections java.util import java.util.HashMap; HashMap java.util import java.util.TreeMap; TreeMap java.util import java.util.ArrayDeque; ArrayDeque java.util import java.awt.Point; Point java.awt class Main{
    public static void main(String[] args){
        
        Scanner sc = new Scanner(System.in);
        
        int x = sc.nextInt();
        int y = sc.nextInt();

        for(int i=0; i<=x; i++) {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        }
        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();

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

        for(int i=0; i<=x; i++) {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        }
        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 for(int i=0; i<=x; i++) {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        } int i=0; int i=0; i 0 i<=x i x i++ i++ i {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        } {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        } if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            } i*2+(x-i)*4==y i*2+(x-i)*4 i*2 i 2 (x-i)*4 (x-i) x i 4 y {
                System.out.println("Yes");
                return;
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" return; System.out.println("No") System.out.println System.out System System.out "No" String[] args args
import java.util.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.TreeMap;
import java.util.ArrayDeque;
import java.awt.Point;
 
class Main{
    public static void main(String[] args){
        
        Scanner sc = new Scanner(System.in);
        
        int x = sc.nextInt();
        int y = sc.nextInt();

        for(int i=0; i<=x; i++) {
            if(i*2+(x-i)*4==y) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    } 
}