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

        String S[] = s.split("/");

        if(S[0].equals("2019") != true)
            System.out.println("Heisei");

        else{
            if(S[1].equals("01") || S[1].equals("02") || S[1].equals("03") || S[1].equals("04"))
                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