#include <bits/stdc++.h>
using namespace std;
int a[2007];
int b[2007];
int vis[20000007];
int main() {
  int n;
  scanf("%d", &n);
  memset(vis, 0, sizeof(vis));
  for (int i = 1; i <= n; i++) {
    scanf("%d", &a[i]);
    vis[a[i]] = 1;
  }
  for (int i = 1; i <= n; i++) {
    scanf("%d", &b[i]);
    vis[b[i]] = 1;
  }
  long long sum = 0;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      int x;
      x = a[i] ^ b[j];
      if (vis[x] == 1) sum++;
    }
  }
  if (sum % 2 == 0)
    printf("Karen");
  else
    printf("Koyomi");
  return 0;
}
