import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    } 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 String ans = "No"; ans "No" for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        } int a=0; int a=0; a 0 a<=x a x a++ a++ a {
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        } {
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        } int b = x-a; b x-a x a if(a*2+b*4==y){
                ans="Yes";
            } a*2+b*4==y a*2+b*4 a*2 a 2 b*4 b 4 y {
                ans="Yes";
            } ans="Yes" ans "Yes" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    }
} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        String ans = "No";
        for(int a=0;a<=x;a++){
            int b = x-a;
            if(a*2+b*4==y){
                ans="Yes";
            }
        }
        System.out.println(ans);
    }
}