#include <bits/stdc++.h>
using namespace std;
bool vis[4000007];
int a[4007], b[4007], n;
int main() {
  scanf("%d", &n);
  memset(vis, false, sizeof(vis));
  for (int i = 1; i <= n; i++) {
    scanf("%d", &a[i]);
    vis[a[i]] = true;
  }
  for (int i = 1; i <= n; i++) {
    scanf("%d", &b[i]);
    vis[b[i]] = true;
  }
  int ans = 0;
  for (int i = 1; i <= n; i++)
    for (int j = 1; j <= n; j++)
      if (vis[a[i] ^ b[j]]) ++ans;
  if (ans % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
  return 0;
}
