#include <bits/stdc++.h>
using namespace std;
inline int read() {
  int x = 0;
  char ch = getchar();
  bool positive = 1;
  for (; !isdigit(ch); ch = getchar())
    if (ch == '-') positive = 0;
  for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
  return positive ? x : -x;
}
inline void write(int a) {
  if (a >= 10) write(a / 10);
  putchar('0' + a % 10);
}
inline void writeln(int a) {
  if (a < 0) {
    a = -a;
    putchar('-');
  }
  write(a);
  puts("");
}
const int N = 4000000;
int n, x[N], y[N], tong[N], ans;
int main() {
  n = read();
  for (int i = 1; i <= n; i++) tong[x[i] = read()] = 1;
  for (int i = 1; i <= n; i++) tong[y[i] = read()] = 1;
  for (int i = 1; i <= n; i++)
    for (int j = 1; j <= n; j++) ans += tong[x[i] ^ y[j]];
  if (ans & 1)
    puts("Koyomi");
  else
    puts("Karen");
}
