#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a, b;
  cin >> n >> a >> b;
  if (n == 2)
    cout << "Final!";
  else {
    if ((a > (n / 2) && b <= (n / 2)) || (a <= (n / 2) && b > (n / 2)))
      cout << "Final!";
    else if (abs(a - b) == 1 && min(a, b) % 2 != 0 && max(a, b) % 2 == 0)
      cout << 1;
    else if (a >= (n / 2) && b >= (n / 2))
      cout << log2(n) - 1;
    else if (a <= (n / 2) && b <= (n / 2))
      cout << log2(n) - 1;
  }
}
