#include <bits/stdc++.h>
using namespace std;
const int M = 1e9 + 7;
const int N = 2e5 + 7;
int n, a, b;
bool f(int x) { return (x == a || x == b); }
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  cin >> n >> a >> b;
  a += n - 1;
  b += n - 1;
  n += n - 1;
  int ans = 0;
  while (a != b) {
    a >>= 1;
    b >>= 1;
    n >>= 1;
    ans++;
  }
  if (a == b == n)
    cout << "Final!";
  else
    cout << ans;
  return 0;
}
