n = int(input())
three = [True, False, False] * n
five = [True, False, False, False, False] * n

one = ord('b') - ord('a')

for i in range(one, n + one):
    s = ""
    if three[i]:
        s += 'Fizz'
    if five[i]:
        s += 'Buzz'

    if s == "":
        print(i)
    else:
        print(s)