#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7, mod = 1e9 + 7;
vector<int> vec;
int main() {
  int n, a, b, t;
  scanf("%d%d%d", &n, &a, &b);
  t = n / 2;
  for (int i = 1; (1 << i) <= t; i++) {
    if ((a - 1) / (1 << i) == (b - 1) / (1 << i)) {
      printf("%d\n", i);
      return 0;
    }
  }
  puts("Final!");
  return 0;
}
