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: Runtime Error)

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

namespace ABC119
{
    class A
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            string ans = "";
            if ((int.Parse(s.Substring(0, 4)) < 2019)) { ans = "Heisei"; }
            else if((int.Parse(s.Substring(0, 4)) > 2019)) { ans = "TBD"; }
            else
            {
                if((int.Parse(s.Substring(4, 2)) <= 4)) { ans = "Heisei"; }
                else { ans = "TBD"; }
            }
            Console.WriteLine(ans);
        }
    }
}