import java.util.*;
public class Main {
  public static void main(String[] args){

    Scanner sc = new Scanner(System.in);
    String S = sc.next();
    int S1 = Integer.parseInt(S.substring(5,7));

	if (S1 < 5) {
	  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