#include <bits/stdc++.h>
using namespace std;
int n;
int a[2005], b[2005], vis[5000005];
int main() {
  cin >> n;
  int cnt = 0;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    vis[a[i]]++;
  }
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    vis[b[i]]++;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      int x = a[i] ^ b[j];
      if (vis[x]) {
        cnt++;
      }
    }
  }
  if (cnt % 2 == 0) {
    cout << "Karen" << endl;
  } else {
    cout << "Koyomi" << endl;
  }
  return 0;
}
