import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

class Main {
	public static void main(String[] args) throws ParseException {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        
		Scanner sc = new Scanner(System.in);
        String dateStr = sc.next();
        
        Date date1 = sdf.parse(dateStr);
        Date date2 = sdf.parse("2019/04/30");
        
        if (date1.compareTo(date2) > 0) {
            System.out.println("TBD");
        }else {
        	System.out.println("Heisei");
        }
	}
}

/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