#include <bits/stdc++.h>
using namespace std;
const int N = 2e6 + 11;
int use[N], a[N], b[N];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    use[a[i]] = 1;
  }
  for (int j = 1; j <= n; j++) {
    cin >> b[j];
    use[b[j]] = 1;
  }
  int kol = 0;
  for (int i = 1; i <= n; i++)
    for (int j = 1; j <= n; j++) {
      int d = a[i] ^ b[j];
      if (d <= 2000000 && use[d] == 1) kol++;
    }
  if (kol % 2 == 0)
    cout << "Karen" << endl;
  else
    cout << "Koyomi" << endl;
}
