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