#include <bits/stdc++.h>
using namespace std;
int a[2002], b[2002], h[2000002];
int main() {
  int n;
  scanf("%d\n", &n);
  for (int i = 1; i <= n; ++i) scanf("%d", a + i), h[a[i]] = 1;
  for (int i = 1; i <= n; ++i) scanf("%d", b + i), h[b[i]] = 1;
  int ans = 0;
  for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= n; ++j)
      if ((a[i] ^ b[j]) < 2000002 && h[a[i] ^ b[j]]) ans++;
  if (ans & 1)
    printf("Koyomi");
  else
    printf("Karen");
  return 0;
}
