#include <bits/stdc++.h>
using namespace std;
int v1[2001], v2[2001], xor1[2001];
int main() {
  int n, x, s = 0, i, j;
  cin >> n;
  for (i = 1; i <= n; i++) cin >> v1[i];
  for (j = 1; j <= n; j++) cin >> v2[i];
  for (i = 1; i <= n; i++)
    for (j = 1; j <= n; j++) {
      x = v1[i] ^ v2[i];
      if (x == v2[i]) s++;
    }
  if (s % 2 == 0)
    cout << "Karen";
  else
    cout << "Koyomi";
  return 0;
}
