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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;

public class Program
{
    public static void Main(string[] args)
    {
        int[] line = Console.ReadLine().Split('/').Select(x => int.Parse(x)).ToArray();

        int y = line[0];
        int m = line[1];
        int d = line[2];

        bool ans = (y >= 2020) || (y == 2019) && (m >= 5) || (y == 2019) && (m == 4) && (d > 30);

        Console.WriteLine(ans ? "TBD" : "Heisei");
        Console.ReadLine();
    }
}