#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int n, a, b, c;
  cin >> n >> a >> b;
  a--, b--;
  if (a > b) c = a, a = b, b = c;
  for (int r = 1; n > 2; ++r, a /= 2, b /= 2, n /= 2) {
    if (a % 2 == 0 && a + 1 == b) {
      cout << r << "\n";
      return 0;
    }
  }
  cout << "Final!\n";
}
