#include <bits/stdc++.h>
using namespace std;
int mp[2010 * 2010];
int a[2010], b[2010];
int main() {
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    mp[a[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    cin >> b[i];
    mp[b[i]] = 1;
  }
  int cnt = 0;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      if (mp[a[i] ^ b[j]]) cnt++;
    }
  }
  if (cnt & 1)
    cout << "Koyomi" << endl;
  else
    cout << "Karen" << endl;
  return 0;
}
