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: Wrong Answer)

using System;
using System.Collections.Generic;

namespace CompetitiveProgramming
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] s = Console.ReadLine().Split('/');
            int y = int.Parse(s[0]);
            int m = int.Parse(s[1]);
            int d = int.Parse(s[2]);

            if(y<=2019)
            {
                if(y<2019 || (y==2019&&d<=4))
                {
                    Console.WriteLine("Heisei");
                }else{
                    Console.WriteLine("TBD");
                }
            }else{
                Console.WriteLine("TBD");
            }
        }

    }
}