#include <bits/stdc++.h>
using namespace std;
inline int read() {
  int x = 0, f = 1;
  char ch = getchar();
  while (ch < '0' || ch > '9') {
    if (ch == '-') f = -1;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar();
  return x * f;
}
int n, a[100010], b[100010], num = 0;
bool f[5000010];
int main() {
  n = read();
  for (int i = 1; i <= n; ++i) a[i] = read(), f[a[i]] = 1;
  for (int j = 1; j <= n; ++j) b[j] = read(), f[b[j]] = 1;
  for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= n; ++j)
      if (f[a[i] ^ b[j]]) num++;
  if (num & 1)
    puts("Koyomi");
  else
    puts("Karen");
  return 0;
}
