#include <bits/stdc++.h>
using namespace std;
int n;
int x[3000], y[3000];
int check[2123455];
int cnt;
int main() {
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> x[i];
    check[x[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    cin >> y[i];
    check[y[i]] = 1;
  }
  cnt = 0;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      int t = x[i] ^ y[j];
      if (check[t] == 1) {
        cnt++;
      }
    }
  }
  if (cnt % 2 == 0) {
    cout << "Karen";
  } else
    cout << "Koyomi";
}
