import java.util.*;
public class Main {
  public static void main(String args[]) {
    Scanner sc = new Scanner(System.in);
    String[] data = new String[2];

    data[0] = "2019/04/30";
    data[1] = sc.nextLine();

    Arrays.sort(data);

    if (data[1].equals("2019/04/30")) {
      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