import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
		// 整数の入力
        
        int num = sc.nextInt();
        
        int leg = sc.nextInt();
        
        for(int i = 0;i < num + 1;i++){
            if((i*2 + (num-i)*4) == leg) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
		// 出力
		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