package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
	"strings"
)

func main() {
	k := readInt()
	S := make([]string, 16)
	T := make([]string, 16)
	nupc := []string{"N", "U", "P", "C"}
	for b := 0; b < (1 << 4); b++ {
		s := ""
		for i := 0; i < 4; i++ {
			s += nupc[i]
			if (b>>i)&1 == 1 {
				s += "1"
			} else {
				s += "2"
			}
		}
		S[b] = s
	}
	for i := 0; i < 16; i++ {
		s := S[i]
		t := ""
		for j := 0; j < 4; j++ {
			t += nupc[j]
			if s[2*j+1] == '2' {
				t += t
			}
		}
		T[i] = t
	}
	sort.Slice(T, func(i, j int) bool {
		return T[i] < T[j]
	})
	writeLine(T[k-1])
}

func sum[T int | float64](arr ...T) T {
	sum := arr[0]
	for i := 1; i < len(arr); i++ {
		sum += arr[i]
	}
	return sum
}

func pow(x, n int) int {
	res := 1
	for n > 0 {
		if n&1 == 1 {
			res = res * x
		}
		x = x * x
		n >>= 1
	}
	return res
}

func lcm(a, b int) int {
	return a / gcd(a, b) * b
}

func gcd(a, b int) int {
	if b == 0 {
		return a
	}
	return gcd(b, a%b)
}

func abs[T int | float64](x T) T {
	if x < 0 {
		return -x
	}
	return x
}

func min[T int | float64](arr ...T) T {
	min := arr[0]
	for _, v := range arr {
		if v < min {
			min = v
		}
	}
	return min
}

func max[T int | float64](arr ...T) T {
	max := arr[0]
	for _, v := range arr {
		if v > max {
			max = v
		}
	}
	return max
}

var _stdInReader = bufio.NewReader(os.Stdin)

func readLine() string {
	line, _ := _stdInReader.ReadString('\n')
	return strings.TrimSpace(line)
}

func readString() string {
	return readLine()
}

func readInt() int {
	strs := readString()
	num, _ := strconv.Atoi(strs)
	return num
}

func readLong() int64 {
	strs := readString()
	num, _ := strconv.ParseInt(strs, 10, 64)
	return num
}

func readStrings() []string {
	line := readLine()
	return strings.Split(line, " ")
}

func readInts() []int {
	strs := readStrings()
	arr := make([]int, len(strs))
	for i := 0; i < len(strs); i++ {
		arr[i], _ = strconv.Atoi(strs[i])
	}
	return arr
}

func readLongs() []int64 {
	strs := readStrings()
	arr := make([]int64, len(strs))
	for i := 0; i < len(strs); i++ {
		arr[i], _ = strconv.ParseInt(strs[i], 10, 64)
	}
	return arr
}

func readDoubles() []float64 {
	strs := readStrings()
	arr := make([]float64, len(strs))
	for i := 0; i < len(strs); i++ {
		arr[i], _ = strconv.ParseFloat(strs[i], 64)
	}
	return arr
}

func scanStringVariables(args ...*string) {
	n := len(args)
	scanned := 0
	for n > scanned {
		inputSlice := readStrings()
		m := len(inputSlice)
		if m == 0 || m > n-scanned {
			fmt.Print("Something wrong in scanStringVariables !!!")
			return
		}
		for i := 0; i < m; i++ {
			*args[i+scanned] = inputSlice[i]
		}
		scanned += m
	}
}

func scanIntVariables(args ...*int) {
	n := len(args)
	scanned := 0
	for n > scanned {
		inputSlice := readInts()
		m := len(inputSlice)
		if m == 0 || m > n-scanned {
			fmt.Printf("m %d n %d scanned %d. ", m, n, scanned)
			fmt.Print("Something wrong in scanIntVariables !!!")
			return
		}
		for i := 0; i < m; i++ {
			*args[i+scanned] = inputSlice[i]
		}
		scanned += m
	}
}

func scanLongVariables(args ...*int64) {
	n := len(args)
	scanned := 0
	for n > scanned {
		inputSlice := readLongs()
		m := len(inputSlice)
		if m == 0 || m > n-scanned {
			fmt.Print("Something wrong in scanIntVariables !!!")
			return
		}
		for i := 0; i < m; i++ {
			*args[i+scanned] = inputSlice[i]
		}
		scanned += m
	}
}

func write(arg ...interface{})                 { fmt.Print(arg...) }
func writeLine(arg ...interface{})             { fmt.Println(arg...) }
func writeFormat(f string, arg ...interface{}) { fmt.Printf(f, arg...) }