#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("sse4")
using namespace std;
int x[2010], y[2010];
int mark[4000010];
int main() {
  memset(mark, 0, sizeof(mark));
  int n, i, j;
  scanf("%d", &n);
  for (i = 0; i < n; i++) {
    scanf("%d", &x[i]);
    mark[x[i]] = 1;
  }
  for (i = 0; i < n; i++) {
    scanf("%d", &y[i]);
    mark[y[i]] = 1;
  }
  int cnt = 0;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      if (mark[(x[i] ^ y[j])]) cnt++;
  if (cnt % 2 == 0)
    printf("Karen\n");
  else
    printf("Koyomi\n");
}
