#include <bits/stdc++.h>
using namespace std;
int x[3000], y[3000];
int cnt[3000010];
int main() {
  int n;
  int c = 0;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &x[i]);
    cnt[x[i]]++;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &y[i]);
    cnt[y[i]]++;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      int k = x[i] ^ y[j];
      if (cnt[k] != 0) c++;
    }
  }
  if (c % 2 == 0)
    printf("Karen");
  else
    printf("Koyomi");
}
