#include <bits/stdc++.h>
using namespace std;
ofstream outfile;
ifstream infile;
int main() {
  infile.open("input.txt");
  outfile.open("output.txt");
  ios::sync_with_stdio(false);
  cout.tie(0);
  cin.tie(0);
  int n, t, i, sum = 0, j;
  vector<int> arr1, arr2;
  unordered_set<int> myset;
  cin >> n;
  for (i = 0; i < n; ++i) {
    cin >> t;
    arr1.push_back(t);
    myset.insert(t);
  }
  for (i = 0; i < n; ++i) {
    cin >> t;
    arr2.push_back(t);
    myset.insert(t);
  }
  for (i = 0; i < n; ++i) {
    for (j = 0; j < n; ++j) {
      t = arr1[i] ^ arr2[j];
      if (myset.find(t) != myset.end()) ++sum;
    }
  }
  if (sum % 2)
    cout << "Koyomi\n";
  else
    cout << "Karen\n";
}
