#include <bits/stdc++.h>
using namespace std;
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  long long n, a, b;
  cin >> n >> a >> b;
  if (a > b) swap(a, b);
  for (long long i = 1; i <= log2(n); ++i) {
    for (long long j = 1; (j << i) <= n; ++j) {
      long long be = (j << i) - (1 << i) + 1;
      long long en = (j << i);
      if (be <= a && b <= en) {
        if (i == log2(n))
          cout << "Final!";
        else
          cout << i;
        exit(0);
      }
    }
  }
}
