s = input()

if s <= '2019/04/30':
    print("Heisei")
else:
    print("TBD") s = input() s input() input if s <= '2019/04/30':
    print("Heisei")
else:
    print("TBD") s <= '2019/04/30' s '2019/04/30' print("Heisei") print "Heisei" print("TBD") print "TBD" s = input() input() s
s = input()

if s <= '2019/04/30':
    print("Heisei")
else:
    print("TBD")