K = int(input())
ans = ["NUPC", "NUPCNUPC", "NUPNUPC", "NUPNUPCNUPNUPC", "NUNUPC", "NUNUPCNUNUPC", "NUNUPNUNUPC", "NUNUPNUNUPCNUNUPNUNUPC", "NNUPC", "NNUPCNNUPC", "NNUPNNUPC", "NNUPNNUPCNNUPNNUPC", "NNUNNUPC", "NNUNNUPCNNUNNUPC", "NNUNNUPNNUNNUPC", "NNUNNUPNNUNNUPCNNUNNUPNNUNNUPC"]
ans.sort()
print(ans[K - 1])