n = int(input())
zero = len('')
one = len('z')
three = len('zzz')
five = len('zzzzz')
for i in range(one, n + one):
    ret = ''
    if i % three == zero:
        ret += 'Fizz'
    if i % five == zero:
        ret += 'Buzz'
    if ret == '':
        ret += str(i)
    print(ret)