#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9 + 1;
int n, a[2005], b[2005], ans;
set<int> all;
int main() {
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    all.insert(a[i]);
  }
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    all.insert(b[i]);
  }
  set<int>::iterator it;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      int now = a[i] ^ b[i];
      it = all.lower_bound(now);
      it--;
      if (*it == now) {
        ans++;
        all.erase(*it);
      }
    }
  }
  if (ans % 2 == 0)
    cout << "Karen" << endl;
  else
    cout << "Koyomi" << endl;
  return 0;
}
