#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, a, b;
  cin >> n >> a >> b;
  long long int z = log2(n);
  long long int r = 0;
  while (a != b) {
    a = (a + 1) / 2;
    b = (b + 1) / 2;
    r++;
  }
  if (r == z)
    cout << "Final!";
  else
    cout << r;
}
