N = int(input())

fz = "Fizz"
bz = "Buzz"

for i in range(1, N+1):
    if not i % 3 and not i % 5:
        print(fz+bz)
    elif not i % 3:
        print(fz)
    elif not i % 5:
        print(bz)
    else:
        print(i)