#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;
const long long mod = 1e9 + 7;
const double eps = 1e-7;
int n;
int a, b;
int main() {
  cin >> n >> a >> b;
  if (b > a) swap(a, b);
  if (a > n / 2 && b <= n / 2) {
    cout << "Final!\n";
    return 0;
  } else {
    if (b > n / 2) {
      a -= n / 2;
      b -= n / 2;
    }
    int num = 0;
    int temp = n;
    while (temp) {
      if (b > temp / 2) {
        a -= temp / 2;
        b -= temp / 2;
      }
      if (a > temp / 2 && b <= temp / 2) {
        break;
      } else
        num++;
      temp /= 2;
    }
    int res = 1;
    int i = 0;
    for (i = 0;; i++) {
      if (res == n) break;
      res *= 2;
    }
    cout << i - num << endl;
  }
  return 0;
}
