def anagramma(string1, string2):
    string1 = string1.split()
    string1 = ''.join(string1)
    string2 = string2.split()
    string2 = ''.join(string2)
    if string1 == string2[-1::-1]:
        return 'Bingo!'
    else:
        return 'Hmmm...'

string1, string2 = input(), input()

print(anagramma(string1, string2))