import 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();
      	int p =1;
      
      	for(int i=0; i<x+1; i++){         
          int u =i*2 + (x-i)*4;
          if(u==y){
            System.out.print("Yes");
            p =0;
            break;
          }
        }
        
      	if(p==1){
        	System.out.print("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