#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  vector<long long int> a(n), b(n);
  set<long long int> s;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    s.insert(a[i]);
  }
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    s.insert(b[i]);
  }
  long long int count = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      long long int temp = a[i] ^ b[j];
      if (s.find(temp) != s.end()) count++;
    }
  }
  if (count % 2 != 0)
    cout << "Koyomi" << endl;
  else
    cout << "Karen" << endl;
}
