#include <bits/stdc++.h>
using namespace std;
void re() { vector<int> b(1e10); }
const int L = 2e6 + 9;
char cnt[L];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  cout.tie(NULL);
  int n;
  cin >> n;
  for (int i = 0; i < 2 * n; ++i) {
    int x;
    cin >> x;
    cnt[x] = 1;
  }
  bool ans = 0;
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= n; ++j) {
      ans ^= bool(cnt[i ^ j]);
    }
  }
  if (ans)
    cout << "Koyomi";
  else
    cout << "Karen";
}
