import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		String s = scan.next();
		s = s.replaceAll("/","");
		Integer temp = Integer.parseInt(s);
		Integer a = Integer.parseInt("20190430");

		if(temp.compareTo(a) <= 0) {
			System.out.println("Heisei");
		}else {
			System.out.println("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