y, m, d = map(int, input().split('/'))
if y < 2019 or (y == 2019 and m < 4) or (y == 2019 and m == 4 and d <= 30):
	print('Heisei')
else:
	print('TBD') y, m, d = map(int, input().split('/')) y map(int, input().split('/')) map int input().split('/') ().split () input split '/' m d if y < 2019 or (y == 2019 and m < 4) or (y == 2019 and m == 4 and d <= 30):
	print('Heisei')
else:
	print('TBD') y < 2019 or (y == 2019 and m < 4) or (y == 2019 and m == 4 and d <= 30) y < 2019 or (y == 2019 and m < 4) y < 2019 y 2019 y == 2019 and m < 4 y == 2019 y 2019 m < 4 m 4 y == 2019 and m == 4 and d <= 30 y == 2019 and m == 4 y == 2019 y 2019 m == 4 m 4 d <= 30 d 30 print('Heisei') print 'Heisei' print('TBD') print 'TBD' m, d = map(int, input().split('/')) map(int, input().split('/')) m y, m, d = map(int, input().split('/')) map(int, input().split('/')) y d = map(int, input().split('/')) map(int, input().split('/')) d
y, m, d = map(int, input().split('/'))
if y < 2019 or (y == 2019 and m < 4) or (y == 2019 and m == 4 and d <= 30):
	print('Heisei')
else:
	print('TBD')