#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  int n, a, b;
  cin >> n >> a >> b;
  --a, --b;
  int cnt = 1;
  while (a / 2 != b / 2) {
    a /= 2;
    b /= 2;
    ++cnt;
  }
  if ((1 << cnt) == n) {
    cout << "Final!\n";
    return 0;
  }
  cout << cnt << '\n';
  return 0;
}
