import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner s = new Scanner(System.in);
      	String D = s.next(), m = D.substring(5,7);
      	if(m.equals("01") || m.equals("02") || m.equals("03") || m.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