#include <bits/stdc++.h>
using namespace std;
long long i, j, k, l, m, n, a[2203456], b[5555], c[22222], d, e, f, s, t;
pair<long long, long long> x[123456];
map<long long, long long> y;
string p;
string q, r[1111];
int main() {
  cin >> n >> m >> k;
  if (m > k) swap(m, k);
  if (m <= n / 2 && k > n / 2) {
    cout << "Final!";
    return 0;
  }
  m--;
  k--;
  while (m < k) {
    s++;
    m /= 2;
    k /= 2;
  }
  cout << s;
  return 0;
}
