#include <bits/stdc++.h>
using namespace std;
long long n, cnt = 0;
long long a[623456], b[623456], v[9999999];
int main() {
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    v[a[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    cin >> b[i];
    v[b[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      long long x = a[i] ^ b[j];
      if (v[x]) {
        cnt++;
      }
    }
  }
  if (cnt % 2 == 0)
    cout << "Karen";
  else
    cout << "Koyomi";
}
