#include <bits/stdc++.h>
using namespace std;
const long long inf = 0x3f3f3f3f;
int x[3005];
int y[3005];
bool mark[5000005];
int main() {
  int n;
  cin >> n;
  cin.get();
  for (int i = 1; i <= n; i++) {
    cin >> x[i];
    mark[x[i]] = true;
  }
  for (int i = 1; i <= n; i++) {
    cin >> y[i];
    mark[y[i]] = true;
  }
  int number = 0;
  for (int i = 1; i <= n; i++)
    for (int j = 1; j <= n; j++) {
      int temp = x[i] ^ y[j];
      if (mark[temp]) number++;
    }
  if (number % 2)
    cout << "Koyomi" << endl;
  else
    cout << "Karen" << endl;
  return 0;
}
