#include <bits/stdc++.h>
using namespace std;
int A[2020], B[2020];
map<int, bool> C;
int main() {
  int n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    scanf("%d", &A[i]);
    C[A[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &B[i]);
    C[B[i]] = true;
  }
  int ans = 0;
  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++) ans += C.count(A[i] ^ B[j]);
  if (ans % 2)
    cout << "Koyomi";
  else
    cout << "Karen";
  return 0;
}
