#include <bits/stdc++.h>
using namespace std;
long long powi(long long base, int p) {
  long long res = 1;
  while (p--) res *= base;
  return res;
}
long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); }
bool is_vowel(char c) {
  c = tolower(c);
  return c == 'a' || c == 'e' || c == 'o' || c == 'i' || c == 'u' || c == 'y';
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> x(n), y(n);
  unordered_map<int, int> dict;
  for (int i = 0; i < n; i++) {
    cin >> x[i];
    dict[x[i]] = 1;
  }
  for (int i = 0; i < n; i++) {
    cin >> y[i];
    dict[y[i]] = 1;
  }
  long long res = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (dict[x[i] ^ y[j]] == 1) res++;
    }
  }
  cout << (res % 2 ? "Koyomi" : "Karen");
  return 0;
}
