import java.util.Scanner;
import java.util.Arrays;

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();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }
        
        
    }
} import java.util.Scanner; Scanner java.util import java.util.Arrays; Arrays java.util 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();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }
        
        
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 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();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 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 sc.close() sc.close sc int turu = -1; turu -1 1 int kame = -1; kame -1 1 kame = (y - 2*x) / 2 kame (y - 2*x) / 2 (y - 2*x) y 2*x 2 x 2 turu = (y - 4 * kame) / 2 turu (y - 4 * kame) / 2 (y - 4 * kame) y 4 * kame 4 kame 2 if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        } y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0 turu < 0 y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0 y % 2 != 0 y % 2 y 2 0 turu + kame != x turu + kame turu kame x turu < 0 turu 0 kame < 0 kame 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) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }
        
        
    }
} 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();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }
        
        
    }
} Main
import java.util.Scanner;
import java.util.Arrays;

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();
        sc.close();
        int turu = -1;
        int kame = -1;
        kame = (y - 2*x) / 2;
        turu = (y - 4 * kame) / 2;
        if( y % 2 != 0 || turu + kame != x || turu < 0 || kame < 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }
        
        
    }
}
