#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a, b;
  cin >> n >> a >> b;
  int p = n, s, k = 0;
  while (p != 1) {
    p = p / 2;
    k++;
  }
  if (a > b) {
    int t = a;
    a = b;
    b = t;
  }
  for (int i = 0; i < k; i++) {
    if (a <= n / 2 && b > n / 2) {
      s = k - i;
      break;
    } else if (a > n / 2) {
      a -= n / 2;
      b -= n / 2;
    }
    n /= 2;
  }
  if (s == k)
    cout << "Final!\n";
  else
    cout << s << endl;
  return 0;
}
