#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
const int MAXN = 512345;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long n, a, b;
  cin >> n >> a >> b;
  if (a > b) swap(a, b);
  long long round = 1;
  while (1) {
    if (a + 1 == b && (a & 1)) break;
    if (a & 1) ++a;
    if (b & 1) ++b;
    a /= 2LL;
    b /= 2LL;
    ++round;
  }
  if ((1LL << round) >= n)
    cout << "Final!" << '\n';
  else
    cout << round << '\n';
  return 0;
}
