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")