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

public class Main {

    public static void main(String[] args) throws Exception {

//    	File file = new File("test.txt");
//    	Scanner sc = new Scanner(file);
    	Scanner sc = new Scanner(System.in);
    	String str = sc.nextLine();
    	SimpleDateFormat sdFormat = new SimpleDateFormat("yyyy/MM/dd");
    	Date date = sdFormat.parse(str);
    	String str2 = "2019/05/01";
    	Date date2 = sdFormat.parse(str2);
    	sc.close();
    	System.out.println(date2.after(date) ? "Heisei" : "TBD");
    }
}
/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