#include <bits/stdc++.h>
using namespace std;
bool mark[3000000];
int main() {
  int n, num1[3000], num2[3000], i, j, x = 0, temp;
  cin >> n;
  for (i = 0; i < n; i++) {
    cin >> num1[i];
    mark[num1[i]] = 1;
  }
  for (i = 0; i < n; i++) {
    cin >> num2[i];
    mark[num2[i]] = 1;
  }
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      if (mark[num1[i] ^ num2[j]]) x++;
    }
  }
  if (x % 2 == 0)
    cout << "Karen" << endl;
  else
    cout << "Koyomi" << endl;
  return 0;
}
