#include <bits/stdc++.h>
using namespace std;
int C[4000000] = {0};
int main() {
  int n;
  cin >> n;
  int even = 0;
  int A[4000] = {0};
  int B[4000] = {0};
  for (int i = 0; i < n; i++) {
    int a;
    cin >> a;
    A[i] = a;
    C[a]++;
  }
  for (int j = 0; j < n; j++) {
    int a;
    cin >> a;
    B[j] = a;
    C[a]++;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      int d = (A[i] ^ B[j]);
      if (C[d] == 1 && A[i] > 0 && B[j] > 0) {
        even++;
      }
    }
  }
  if (even % 2 == 0) {
    cout << "Karen";
  }
  if (even % 2 == 1) {
    cout << "Koyomi";
  }
  return 0;
}
