#include <bits/stdc++.h>
using namespace std;
int vis[10000000];
int a[2005], b[2005];
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
    vis[a[i]]++;
  }
  for (int i = 0; i < n; i++) {
    scanf("%d", &b[i]);
    vis[b[i]]++;
  }
  int ans = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      if (vis[a[i] ^ a[j]]) {
        ans++;
      }
    }
  }
  if (ans % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
}
