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