#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const int MAXN = 3e6 + 5;
int n;
int x[MAXN], y[MAXN];
bool cnt[MAXN];
int main() {
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> x[i], cnt[x[i]] = 1;
  for (int i = 1; i <= n; i++) cin >> y[i], cnt[y[i]] = 1;
  int ans = 0;
  for (int i = (1), b_ = (n); i <= b_; ++i) {
    for (int j = (1), b_ = (n); j <= b_; ++j) {
      if (cnt[x[i] ^ y[j]]) {
        ++ans;
      }
    }
  }
  if (ans & 1)
    cout << "Koyomi" << endl;
  else
    cout << "Karen" << endl;
  return 0;
}
