#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a, b, count = 0;
  cin >> n >> a >> b;
  vector<int> v;
  for (int i = 1; i <= n; i++) {
    v.push_back(i);
  }
  if (a <= n / 2 && b > n / 2 || b <= n / 2 && a > n / 2) {
    cout << "Final!";
    return 0;
  }
label:
  count++;
  for (int i = 0; i < v.size(); i++) {
    if (v[i] != a && v[i] != b) {
      v.erase(v.begin() + i);
    } else {
      if (v[i] == a) {
        if (v[i + 1] != b) {
          v.erase(v.begin() + i + 1);
        } else {
          cout << count;
          return 0;
        }
      }
      if (v[i] == b) {
        if (v[i + 1] != a) {
          v.erase(v.begin() + i + 1);
        } else {
          cout << count;
          return 0;
        }
      }
    }
  }
  goto label;
}
