import java.util.*;

public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner scanner = new Scanner(System.in);
        Integer x = scanner.nextInt();
        Integer y = scanner.nextInt();
        String ans = "No";

        // debug
        // System.out.println(x);
        // System.out.println(y);
      
        for (int i = 0; i < x + 1; i++){
          Integer sum = 2 * i + 4 * (x - i);
          if (sum == y)
            ans = "Yes";
        }
      
		// 戻り値の返却
		System.out.println(ans);
	
	} 
}
/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