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.Linq;
using System.Collections;
using System.Collections.Generic;

class Program
{
    public static void Main()
    {
        string[] str = Console.ReadLine().Split('/');
        int y = int.Parse(str[0]);
        int m = int.Parse(str[1]);
        int d = int.Parse(str[2]);
        if (y <=2019)
        {
            if (m <= 4)
            {
                if (d<=30)
                {
                    Console.WriteLine("Heisei");
                }
                else
                    Console.WriteLine("TBD");
            }
            else
                Console.WriteLine("TBD");
        }
        else
            Console.WriteLine("TBD");
    }
}