#include <bits/stdc++.h>
using namespace std;
vector<long long> x, y;
long long z, kol, n;
int a[3000000];
int main() {
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> z;
    a[z] = 1;
    x.push_back(z);
  }
  for (int i = 0; i < n; i++) {
    cin >> z;
    a[z] = 1;
    y.push_back(z);
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (a[x[i] ^ y[j]] == 1) {
        kol++;
      }
    }
  }
  if (kol % 2 == 0)
    cout << "Karen";
  else
    cout << "Koyomi";
}
