import java.io.BufferedReader;
import java.io.*;
import java.util.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Collections;
public class Main {
	public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    }
    

    


    
    


    


    
    


    
	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.*; io.* java import java.util.*; util.* java import java.util.ArrayList; ArrayList java.util import java.util.Iterator; Iterator java.util import java.util.List; List java.util import java.util.Collections; Collections java.util public class Main {
	public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    }
    

    


    
    


    


    
    


    
	}
} Main public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 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();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 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 int count = 0; count 0 for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    } int i = 0 ; int i = 0 ; i 0 i < x + 1 i x + 1 x 1 i++ i++ i {
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    } {
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    } int checker = i * 2 + (x - i) * 4; checker i * 2 + (x - i) * 4 i * 2 i 2 (x - i) * 4 (x - i) x i 4 if(checker == y){
            count++;
        } checker == y checker y {
            count++;
        } count++ count if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    } count == 0 count 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" final String[] args args public class Main {
	public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    }
    

    


    
    


    


    
    


    
	}
} public class Main {
	public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    }
    

    


    
    


    


    
    


    
	}
} Main
import java.io.BufferedReader;
import java.io.*;
import java.util.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Collections;
public class Main {
	public static void main(final String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int x = sc.nextInt();
    int y = sc.nextInt();
    int count = 0;

    for(int i = 0 ; i < x + 1; i++){
        int checker = i * 2 + (x - i) * 4;
        if(checker == y){
            count++;
        }
    }

    if(count == 0){
        System.out.println("No");
    }else{
        System.out.println("Yes");
    }
    

    


    
    


    


    
    


    
	}
}