import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		
		String str = sc.next();
		
		if(str.compareTo("2019/04/30")<=0)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