s = input()
if int(s[:4]) <= 2019:
    if int(s[5:7]) <= 4:
        if int(s[8:]) <= 30:
            print("Heisei");exit()
print("TBD") s = input() s input() input if int(s[:4]) <= 2019:
    if int(s[5:7]) <= 4:
        if int(s[8:]) <= 30:
            print("Heisei");exit() int(s[:4]) <= 2019 int(s[:4]) int s[:4] s :4 4 2019 if int(s[5:7]) <= 4:
        if int(s[8:]) <= 30:
            print("Heisei");exit() int(s[5:7]) <= 4 int(s[5:7]) int s[5:7] s 5:7 5 7 4 if int(s[8:]) <= 30:
            print("Heisei");exit() int(s[8:]) <= 30 int(s[8:]) int s[8:] s 8: 8 30 print("Heisei") print "Heisei" exit() exit print("TBD") print "TBD" s = input() input() s
s = input()
if int(s[:4]) <= 2019:
    if int(s[5:7]) <= 4:
        if int(s[8:]) <= 30:
            print("Heisei");exit()
print("TBD")
