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