#include <bits/stdc++.h>
using namespace std;
long long int MOD = 1000000007;
template <typename T>
void get_vector(long long int size) {
  vector<T> out;
  for (long long int sahdfjhfsk = 0; sahdfjhfsk < size; ++sahdfjhfsk) {
    T temp;
    cin >> temp;
    out.push_back(temp);
  }
  return out;
}
int main() {
  int n;
  bool has_zeroes = true;
  for (int i = 0; i < 2 * n; ++i) {
    int tmp;
    cin >> tmp;
    has_zeroes = has_zeroes || tmp == 0;
  }
  cout << ((has_zeroes && n % 2 == 1) ? "Koyomi" : "Karen") << endl;
}
