#include <bits/stdc++.h>
using namespace std;
const long long N = 2e3 + 7;
const long long M = 1e7 + 7;
const long long inf = 1e9 + 7;
const long long mod = 1e9 + 7;
int n;
int res;
int a[N];
int b[N];
int used[M];
int main() {
  ios_base::sync_with_stdio(false);
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    used[a[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    cin >> b[i];
    used[b[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      res += used[(a[i] ^ b[j])];
    }
  }
  if (res % 2) {
    cout << "Koyomi\n";
  } else {
    cout << "Karen\n";
  }
}
