#include <bits/stdc++.h>
using namespace std;
const int maxn = 2005;
int main() {
  int n, a, b;
  cin >> n >> a >> b;
  int cnt = 0;
  int sum = 0;
  while (n) {
    sum++;
    n >>= 1;
  }
  sum--;
  a--;
  b--;
  while (a != b) {
    cnt++;
    a >>= 1;
    b >>= 1;
  }
  if (sum == cnt) {
    printf("Final!\n");
  } else {
    printf("%d\n", cnt);
  }
  return 0;
}
