A = [
    "NUPC",
    "NUPCNUPC",
    "NUPNUPC",
    "NUPNUPCNUPNUPC",
    "NUNUPC",
    "NUNUPCNUNUPC",
    "NUNUPNUNUPC",
    "NUNUPNUNUPCNUNUPNUNUPC",
    "NNUPC",
    "NNUPCNNUPC",
    "NNUPNNUPC",
    "NNUPNNUPCNNUPNNUPC",
    "NNUNNUPC",
    "NNUNNUPCNNUNNUPC",
    "NNUNNUPNNUNNUPC",
    "NNUNNUPNNUNNUPCNNUNNUPNNUNNUPC",
]

A = sorted(A)

print(A[int(input())-1])