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");
    }
    

    


    
    


    


    
    


    
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz