s = input()

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

if s > "2019/04/30":
    print("TBD")
else: print("Heisei")
