#include <bits/stdc++.h>
using namespace std;
int main() {
  long long i, a, b, n, x, y, round = 0, fin;
  scanf("%lld%lld%lld", &n, &a, &b);
  fin = log2(n);
  for (i = 2; i <= n;) {
    x = (a - 1) / i;
    y = (b - 1) / i;
    round++;
    if (x == y) {
      break;
    }
    i *= 2;
  }
  if (round == fin) {
    printf("Final!\n");
  } else {
    printf("%lld\n", round);
  }
  return 0;
}
