#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a, b, r = 0, ans = 0;
  scanf("%d%d%d", &n, &a, &b);
  a += n - 1;
  b += n - 1;
  while (n > 1) n /= 2, r++;
  while (a != b) a /= 2, b /= 2, ans++;
  if (ans == r)
    printf("Final!");
  else
    printf("%d\n", ans);
  return 0;
}
