#include <bits/stdc++.h>
using namespace std;
bool vis[4000005];
int a[2005], b[2005];
int n;
long long tot;
int main() {
  scanf("%d", &n);
  for (register int i = 1; i <= n; ++i) scanf("%d", &a[i]), vis[a[i]] = 1;
  for (register int i = 1; i <= n; ++i) scanf("%d", &b[i]), vis[b[i]] = 1;
  for (register int i = 1; i <= n; ++i) {
    for (register int j = 1; j <= n; ++j) {
      if (vis[a[i] ^ b[j]]) tot++;
    }
  }
  if (tot % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
  return 0;
}
