#include <bits/stdc++.h>
using namespace std;
int main() {
  int N;
  cin >> N;
  int arrint1[N];
  int arrint2[N];
  for (int i = 0; i < N; i++) {
    cin >> arrint1[i];
  }
  for (int i = 0; i < N; i++) {
    cin >> arrint2[i];
  }
  set<int> set1(arrint1, arrint1 + N);
  set<int> set2(arrint2, arrint2 + N);
  int count = 0;
  int temp;
  for (int i = 0; i < N; i++) {
    for (int j = 0; j < N; j++) {
      temp = arrint1[i] ^ arrint2[j];
      if (set1.find(temp) != set1.end() || set2.find(temp) != set2.end()) {
        count++;
      }
    }
  }
  if (count % 2 == 0) {
    cout << "Karen" << endl;
  } else {
    cout << "Koyomi" << endl;
  }
  return 0;
}
