#include <bits/stdc++.h>
using std::pair;
using std::vector;
int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);
  size_t n, a, b;
  std::cin >> n >> a >> b;
  if (a > b) {
    std::swap(a, b);
  }
  if (a <= n / 2 && b > n / 2) {
    std::cout << "Final!";
    return 0;
  }
  size_t round = 1;
  while (b - a > 1 || b % 2 != 0) {
    a = (a + 1) / 2;
    b = (b + 1) / 2;
    ++round;
  }
  std::cout << round;
  return 0;
}
