import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		String Date1 = "2019/04/30";
		String Date2;
		String ans = "Heisei";
		Scanner sc = new Scanner(System.in);

		Date2 = sc.nextLine();

		if(Date1.compareTo(Date2) < 0) {
			ans = "TBD";
		}

		System.out.println(ans);

		sc.close();
	}
}
/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