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