#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int n;
  cin >> n;
  vector<bool> found(2000004, false);
  vector<int> x_s(n);
  vector<int> y_s(n);
  for (int i = 0; i < n; i++) {
    cin >> x_s[i];
    found[x_s[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    cin >> y_s[i];
    found[y_s[i]] = true;
  }
  int cnt = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if ((x_s[i] ^ y_s[j]) <= 2000000 && found[x_s[i] ^ y_s[j]]) cnt++;
    }
  }
  cout << (cnt % 2 == 0 ? "Karen" : "Koyomi");
  return 0;
}
