#include <bits/stdc++.h>
using namespace std;
int a, b, c, k, k1, ans;
int main() {
  cin >> a >> b >> c;
  if (b > c) swap(b, c);
  if (b <= a / 2 && c > a / 2) {
    cout << "Final!" << endl;
    return 0;
  }
  while (c != b) {
    b++;
    c++;
    b /= 2;
    c /= 2;
    ans++;
  }
  cout << ans << endl;
}
