import java.util.* ;
class Main {
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);

    String s = scan.next();
    
    int s1 = Integer.parseInt(s.substring(5,7));
   // int s2 =Integer.parseInt(s.substring(8,10));
    if(s1>4){
      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