#include <bits/stdc++.h>
using namespace std;
int a[2000006];
int x[2005];
int y[2005];
int N, ans;
int main() {
  scanf("%d", &N);
  for (int i = 0; i < N; i++) {
    scanf("%d", &x[i]);
    a[x[i]]++;
  }
  for (int i = 0; i < N; i++) {
    scanf("%d", &y[i]);
    a[y[i]]++;
  }
  for (int i = 0; i < N; i++)
    for (int j = 0; j < N; j++) {
      if ((x[i] ^ y[j]) < 2000004)
        if (a[(x[i] ^ y[j])]) ans++;
    }
  if (ans % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
  return 0;
}
