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 num = 0;
      	for(int cnt = x * 2;cnt >= 0;cnt -= 2){
        	if(cnt + num == y){
            	System.out.println("Yes");
              	System.exit(0);
            }
          	num += 4;
        }
      	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