#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  int a;
  int b;
  cin >> n;
  cin >> a;
  cin >> b;
  int nf = pow(n, 1 / 2.0);
  int cg;
  int k = 0;
  if (((a <= n / 2) && (b > n / 2)) || ((a > n / 2) && (b <= n / 2))) {
    cout << "Final!" << endl;
    return 0;
  }
  while (a != b) {
    a = (a + 1) / 2;
    b = (b + 1) / 2;
    k++;
  }
  cout << k << endl;
  return 0;
}
