import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws ParseException {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
		Date baseDate = sdf.parse("2019/04/30");
		try(Scanner sc = new Scanner(System.in)){
				String ret = baseDate.compareTo(sdf.parse(sc.nextLine())) == -1 ? "TBD" : "Heisei";
				System.out.println(ret);
			}
		}	
}

/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