import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
//        int a = Integer.parseInt(scan.next());
//        int b = Integer.parseInt(scan.next());
        String b = scan.next();
        String ans = null;
        if(Integer.parseInt(b.replaceAll("/",""))>20190430){
            ans = "TBD";
        }else{
            ans = "Heisei";
        }
        PrintWriter out = new PrintWriter(System.out);
        out.println(ans);
        out.flush();
        scan.close();
    }
}
/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