#include <bits/stdc++.h>
using namespace std;
constexpr int MOD = 1e9 + 7;
int main() {
  ios::sync_with_stdio(false);
  cout.tie(NULL);
  int n, a, b;
  cin >> n >> a >> b;
  if (a > b) swap(a, b);
  if (a <= n / 2 && b > n / 2) {
    cout << "Final!";
  } else {
    a--, b--;
    int x = a ^ b;
    int s = 0;
    while (x) {
      s++;
      x /= 2;
    }
    cout << s;
  }
}
