#include <bits/stdc++.h>
using namespace std;
const int N = 881919;
int n;
long long a[N];
int SG(long long x) {
  const long long table[] = {0, 4, 16, 82, 6724, 50626, 2562991876LL};
  const int sg[] = {0, 1, 2, 0, 3, 1, 2};
  for (int i = 6; i >= 0; --i) {
    if (x >= table[i]) return sg[i];
  }
}
int main() {
  scanf("%d", &n);
  long long x = 0;
  for (int i = 1; i <= n; ++i) {
    scanf("%I64d", &a[i]);
    x ^= SG(a[i]);
  }
  if (x) {
    puts("Furlo");
  } else {
    puts("Rublo");
  }
  return 0;
}
