import java.util.*;
public class Main {
	public static void main(String[]args) {
		Scanner sc=new Scanner(System.in);
		String po=sc.nextLine();
      String p[]=po.split("/",0);
		System.out.println((Integer.parseInt(p[1])<5)?"Heisei":"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