#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, ans = 0;
  cin >> n;
  long long int a[n], b[n];
  bool visi[2097152];
  for (long long int i = 0; i < 2097152; i++) {
    visi[i] = false;
  }
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    visi[a[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    visi[b[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (visi[a[i] ^ b[j]] == true) {
        ans++;
      }
    }
  }
  if (ans % 2 == 0) {
    cout << "Karen";
  } else {
    cout << "Koyomi";
  }
  return 0;
}
