def fb(n):
    if n % 15 == 0:
        return "FizzBizz"
    elif n % 3 == 0 :
        return "Fizz"
    elif n % 5 == 0:
        return "Buzz"
    else:
        return ""

i = 1
while i <= 20:
	print(i,fb(i))
	i = i + 1