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

        if(Integer.parseInt(a.substring(5,7))<=4 && Integer.parseInt(a.substring(8,10)) <=30){
            System.out.println("Heisei");
        }else{
            System.out.println("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