import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner scanner= new Scanner(System.in);
        String s = scanner.next(), ans = "Heisei";
        if(s.charAt(5) == '1')ans = "TBD";
        else if(s.charAt(6) > '4')ans = "TBD";

        System.out.println(ans);
    }

}

/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