#include <bits/stdc++.h>
using namespace std;
bool vis[20000000];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  int arr[n];
  int arr2[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    vis[arr[i]] = 1;
  }
  for (int i = 0; i < n; i++) {
    cin >> arr2[i];
    vis[arr[i]] = 1;
  }
  int cnt = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (vis[(arr[i] ^ arr2[j])]) {
        cnt++;
      }
    }
  }
  if (cnt % 2) {
    cout << "Koyomi";
  } else {
    cout << "Karen";
  }
  return 0;
}
