import java.util.*;
 
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
}
/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