#include <bits/stdc++.h>
using namespace std;
const long double pi = 3.141592653589793;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  int n, a, b;
  cin >> n >> a >> b;
  if (min(a, b) <= n / 2 && max(a, b) > n / 2) return cout << "Final!", 0;
  int q = 1, t = 0, k = 0;
  while (q != n) {
    q *= 2;
    t++;
  }
  a = (a > n / 2) ? abs(a - n / 2) : a;
  b = (b > n / 2) ? abs(b - n / 2) : b;
  if (a == 0) a = n / 2;
  if (b == 0) b = n / 2;
  do {
    n /= 2;
    k++;
    if (min(a, b) <= n / 2 && max(a, b) > n / 2) break;
    a = (a > n / 2) ? abs(a - n / 2) : a;
    b = (b > n / 2) ? abs(b - n / 2) : b;
    if (a == 0) a = n / 2;
    if (b == 0) b = n / 2;
  } while (n > 2);
  cout << t - k;
}
