#include <bits/stdc++.h>
using namespace std;
int main() {
  set<int> s;
  int n;
  cin >> n;
  int arr1[n], arr2[n];
  for (int i = 0; i < 2 * n; i++) {
    int a;
    cin >> a;
    (i >= n ? arr2 : arr1)[i % n] = a;
    s.insert(a);
  }
  int ans = 0;
  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++) {
      int x = arr1[i] ^ arr2[j];
      ans += (s.find(x) != s.end());
    }
  cout << (ans % 2 ? "Koyomi" : "Karen");
}
