import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String S = sc.nextLine();
        String [] S1 = S.split("/",0);
        int year,month,day;
         year = Integer.parseInt(S1[0]);
         month = Integer.parseInt(S1[1]);
         day = Integer.parseInt(S1[2]);
        if(month>=5) System.out.println("TBD");
        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