import java.util.Scanner;

class Main{


	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);			//文字の入力

		String n = sc.next();
		int y = Integer.parseInt(n.substring(0,4));
		int m = Integer.parseInt(n.substring(5,7));
		int d = Integer.parseInt(n.substring(8));
	//	System.out.println(y + " " + m + " " + d);
		if(y >= 2019 && m > 4){
			System.out.println("TBD");
		}else{
			System.out.println("Heisei");

		}
	}
}


/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