import java.util.Scanner;
class Main{
  public static void main(String args[]){
    Scanner scan=new Scanner(System.in);
    String str=scan.next();
    int y=Integer.parseInt(str.substring(0,4));
    int m=Integer.parseInt(str.substring(5,7));
    int d=Integer.parseInt(str.substring(8,10));
    if((y>2019)||((y==2019)&&(m>=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