import java.util.*;
import static java.lang.System.*;
public class Main {
	public static void main(String[] args) {
	    Scanner sc = new Scanner(in);
	    String str = sc.next();
	    str = str.replace("/","");
	    String ans =  (Integer.valueOf(str) > 20190430)? "TBD" : "Heisei";
		out.println(ans);
	}
}
/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