#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e9;
const int dx[8] = {0, 1, 0, -1, 1, 1, -1, -1};
const int dy[8] = {1, 0, -1, 0, 1, -1, 1, -1};
const int maxn = 1e5 + 11;
long long n, a, b;
int main() {
  cin >> n >> a >> b;
  a--;
  b--;
  for (int i = 1; (1 << i) <= n; ++i) {
    if (a / (1 << i) == b / (1 << i)) {
      if ((1 << i) == n)
        cout << "Final!";
      else
        cout << i;
      return 0;
    }
  }
  return 0;
}
