#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<int> x, y;
  set<int> s;
  for (int i = 0; i < n; i++) {
    int num;
    cin >> num;
    x.push_back(num);
    s.insert(num);
  }
  for (int i = 0; i < n; i++) {
    int num;
    cin >> num;
    y.push_back(num);
    s.insert(num);
  }
  int cnt = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (s.find(x[i] ^ y[j]) != s.end()) cnt++;
    }
  }
  if (cnt & 1) {
    cout << "Koyomi" << endl;
  } else {
    cout << "Karen" << endl;
  }
  return 0;
}
