#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a, b, ans = 1;
  cin >> n >> a >> b;
  for (int i = 2; i <= n; i *= 2, ans++) {
    for (int j = 1; j <= n; j += i) {
      set<int> s;
      for (int st = j, c = 0; c < i; c++, st++) {
        s.insert(st);
      }
      if (s.count(a) && s.count(b)) {
        if (i == n)
          cout << "Final!" << '\n';
        else
          cout << ans << '\n';
        return 0;
      }
    }
  }
  cout << "Final!" << '\n';
}
