#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, a, b;
  cin >> n >> a >> b;
  if (min(a, b) <= n / 2 && max(b, a) > n / 2) {
    cout << "Final!";
  } else {
    int i = 1;
    while ((a - 1) / 2 != (b - 1) / 2) {
      a = (a - 1) / 2 + 1;
      b = (b - 1) / 2 + 1;
      i++;
    }
    cout << i;
  }
  return 0;
}
