#include <bits/stdc++.h>
using namespace std;
bool flag[4000010];
int a[2010], b[2010];
int main() {
  int n, x;
  cin >> n;
  for (int i = 0; i < n; i++) cin >> a[i], flag[a[i]] = 1;
  for (int i = 0; i < n; i++) cin >> b[i], flag[b[i]] = 1;
  int ans = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (flag[a[i] ^ b[j]] == 1) ans++;
    }
  }
  if (ans % 2 == 0)
    cout << "Karen";
  else
    cout << "Koyomi";
  return 0;
}
