#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  int x, n;
  cin >> n;
  unordered_set<int> s;
  vector<int> X(n), Y(n);
  for (int(i) = 0; (i) < (n); (i)++) {
    cin >> X[i];
    s.insert(X[i]);
  }
  for (int(i) = 0; (i) < (n); (i)++) {
    cin >> Y[i];
    s.insert(Y[i]);
  }
  int res = 0;
  for (int(i) = 0; (i) < (n); (i)++)
    for (int(j) = 0; (j) < (n); (j)++) {
      if (s.find(X[i] ^ Y[j]) != s.end()) res += 1;
    }
  if (res % 2 == 0)
    cout << "Karen" << endl;
  else
    cout << "Koyomi" << endl;
  return 0;
}
