/* -*- coding: utf-8 -*-
 *
 * 3556.cc:  No.3556 KCPC or KUPC - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int H = 11;
const int W = 11;
const int MAX_K = 10;
const int MAX_N = H * MAX_K;
const int MAX_M = W * MAX_K;

/* typedef */

/* global variables */

char ss[MAX_N][MAX_M + 4];

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) scanf("%s", ss[i]);

  int k = n / H;

  if (ss[0][k * 7] == '#') puts("KCPC");
  else puts("KUPC");
  
  return 0;
}