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