import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] arr = sc.nextLine().split("/");

        String ans = "";
        if (Integer.parseInt(arr[0]) == 2019 &&  Integer.parseInt(arr[1]) <= 4 || Integer.parseInt(arr[0]) < 2019) ans = "Heisei";
        else ans = "TBD";

        System.out.println(ans);
    }
}
/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