#include <bits/stdc++.h>
using namespace std;
int n, a, b;
int main() {
  cin >> n >> a >> b;
  int t = 1;
  int r = 0;
  if (a > b) {
    a ^= b ^= a ^= b;
  }
  while (t < n) {
    t <<= 1;
    ++r;
  }
  t >>= 1;
  if (a <= t && b > t) {
    cout << "Final!" << endl;
    return 0;
  }
  while (a > t || b <= t) {
    a -= a > t ? t : 0;
    b -= b > t ? t : 0;
    t >>= 1;
    --r;
  }
  cout << r << endl;
  return 0;
}
