import java.util.*;
 
class Main {
    public static void main(String[] args) {
      
        Scanner sc = new Scanner(System.in);
      String oll = sc.next();String m = oll.substring(5, 7);
      int mo = Integer.parseInt(m);
      
      if(mo<=4){System.out.print("Heisei");}
      else{System.out.print("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