Problem:
Score : 100 points

Problem Statement

You are given a string S as input. This represents a valid date in the year 2019 in the yyyy/mm/dd format. (For example, April 30, 2019 is represented as 2019/04/30.)

Write a program that prints Heisei if the date represented by S is not later than April 30, 2019, and prints TBD otherwise.

Constraints

S is a string that represents a valid date in the year 2019 in the yyyy/mm/dd format.

Input

Input is given from Standard Input in the following format:

S

Output

Print Heisei if the date represented by S is not later than April 30, 2019, and print TBD otherwise.

Sample Input 1

2019/04/30

Sample Output 1

Heisei

Sample Input 2

2019/11/01

Sample Output 2

TBD

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
	public static void main(String[] args) throws IOException, ParseException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    	String str = br.readLine();
    	
    	String tmp = "2019/04/30";
    	SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
    	Date criteria = sdf.parse(tmp);
    	Date now = sdf.parse(str);
    	
    	if (now.after(criteria)) {
    		System.out.println("TBD");
    	} else {
    		System.out.println("Heisei");
    	}
	}
}