import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
	public static void main(String[] args) throws IOException, ParseException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    	String str = br.readLine();
    	
    	String tmp = "2019/04/30";
    	SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
    	Date criteria = sdf.parse(tmp);
    	Date now = sdf.parse(str);
    	
    	if (now.after(criteria)) {
    		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