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 PHP7 (7.0.15) (judge verdict: Accepted)

<?php
  $s = trim(fgets(STDIN));
  if(substr($s,0,4) < 2019){
      echo "Heisei";
  }else if(substr($s,0,4) == 2019 && intval(substr($s,5,2)) <= 4 && intval(substr($s,8,2)) <= 30){
      echo "Heisei";
  }else{
      echo "TBD";
  }