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-----
2019/04/30

-----Sample Output-----
Heisei