#include <bits/stdc++.h>
using namespace std;
int main() {
  long int n, c = 0, i, j, x;
  scanf("%ld", &n);
  long int a[n], b[n];
  bool vis[2000005] = {false};
  for (i = 0; i < n; i++) {
    cin >> a[i];
    vis[a[i]] = true;
  }
  for (i = 0; i < n; i++) {
    cin >> b[i];
    vis[b[i]] = true;
  }
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      x = a[i] ^ b[j];
      if (x <= 2000000) {
        if (vis[x] == true) {
          c++;
        }
      }
    }
  }
  if ((c % 2) == 0)
    printf("Karen");
  else
    printf("Koyomi");
  return 0;
}
