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