#include <bits/stdc++.h>
using namespace std;
template <class T>
void read(T &x) {
  x = 0;
  char c = getchar();
  int flag = 0;
  while (c < '0' || c > '9') flag |= (c == '-'), c = getchar();
  while (c >= '0' && c <= '9')
    x = (x << 3) + (x << 1) + (c ^ 48), c = getchar();
  if (flag) x = -x;
}
template <class T>
T _max(T a, T b) {
  return a > b ? a : b;
}
template <class T>
T _min(T a, T b) {
  return a < b ? a : b;
}
template <class T>
bool checkmax(T &a, T b) {
  return b > a ? a = b, 1 : 0;
}
template <class T>
bool checkmin(T &a, T b) {
  return b < a ? a = b, 1 : 0;
}
const int N = 100005;
int n;
long long a[N];
int sg(long long x) {
  if (x <= 3)
    return 0;
  else if (x <= 15)
    return 1;
  else if (x <= 81)
    return 2;
  else if (x <= 6723)
    return 0;
  else if (x <= 50625)
    return 3;
  else if (x <= (long long)2562890625)
    return 1;
  else
    return 2;
}
void init() {
  read(n);
  for (int i = 1; i <= n; ++i) {
    read(a[i]);
  }
}
void solve() {
  int ans = 0;
  for (int i = 1; i <= n; ++i) {
    ans ^= sg(a[i]);
  }
  if (ans)
    printf("Furlo\n");
  else
    printf("Rublo\n");
}
int main() {
  int T = 1;
  while (T--) {
    init();
    solve();
  }
  return 0;
}
