#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int i, n, a, b, cnt = 1;
  cin >> n >> a >> b;
  while ((a + 1) / 2 != (b + 1) / 2) {
    a = (a + 1) / 2;
    b = (b + 1) / 2;
    cnt++;
    n /= 2;
  }
  if (n == 2)
    cout << "Final!";
  else
    cout << cnt;
  return 0;
}
