#include <bits/stdc++.h>
using namespace std;
int n, a, b;
int M[256 + 1];
int main() {
  scanf("%d %d %d", &n, &a, &b);
  if (a & 1) a++;
  if (b & 1) b++;
  int round = 1;
  for (;;) {
    a /= 2;
    b /= 2;
    if (a == b) break;
    round++;
    if (a & 1) a++;
    if (b & 1) b++;
  }
  if (round == (int)log2(n))
    printf("Final!\n");
  else
    printf("%d\n", round);
  return 0;
}
