import strutils
import sequtils

proc getInt() : int =
    parseInt(readLine(stdin))

proc getInts() : seq[int] =
    readLine(stdin).split().map(parseInt)


var input = getInt()

# var s =  readLine(stdin)

# i = 20 mod 3
# echo i

for i in countup(1, input):
  var str = "" 
  if i mod 3 == 0:
    str = "Fizz"
  if i mod 5 == 0:
    str &= "Buzz"
  if str == "":
    echo i
  else:
    echo str