#include <bits/stdc++.h>
using namespace std;
int a[10000], b[10000], f[10000000];
int main() {
  int n, ans = 0;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
    f[a[i]] = 1;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
    f[b[i]] = 1;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (f[a[i] ^ b[j]]) ans++;
    }
  }
  if (ans % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
  return 0;
}
