#include <bits/stdc++.h>
using namespace std;
int a[2010];
int b[2010];
set<int> S;
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; i < n; ++i) scanf("%d", &a[i]), S.insert(a[i]);
  for (int i = 0; i < n; ++i) scanf("%d", &b[i]), S.insert(b[i]);
  int cnt = 0;
  for (int i = 0; i < n; ++i)
    for (int j = 0; j < n; ++j)
      if (S.find(a[i] ^ b[j]) != S.end()) cnt++;
  if (!(cnt & 1))
    cout << "Karen";
  else
    cout << "Koyomi";
  return 0;
}
