
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String time = sc.next();
        int yyyy = Integer.valueOf(time.substring(0,4)).intValue();
        int mm = Integer.valueOf(time.substring(5,7)).intValue();
        int dd = Integer.valueOf(time.substring(8,10)).intValue();
//        System.out.println(yyyy);
//        System.out.println(mm);
//        System.out.println(dd);

        if (2019 < yyyy) {
            System.out.println("TBD");
        } else if (2019 == yyyy) {
            if (4 < mm) {
                System.out.println("TBD");
            } else {
                System.out.println("Heisei");
            }
        } else {
            System.out.println("Heisei");
        }

    }
}

/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