#include <bits/stdc++.h>
using namespace std;
bool vis[100050 * 100];
int a[100050], b[100050];
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
    vis[a[i]] = true;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &b[i]);
    vis[b[i]] = true;
  }
  int ans = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (vis[a[i] ^ b[j]]) ans++;
    }
  }
  puts(ans & 1 ? "Koyomi" : "Karen");
}
