#include <bits/stdc++.h>
bool found[2097152] = {0};
int n, x[2000], y[2000];
int cnt = 0;
int main() {
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &x[i]);
    found[x[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &y[i]);
    found[y[i]] = true;
  }
  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++)
      if (found[x[i] ^ y[j]]) cnt++;
  printf("%s\n", cnt % 2 ? "Koyomi" : "Karen");
  return 0;
}
