#include <bits/stdc++.h>
using namespace std;
int main() {
  long long i, j, k, m, n, a, b;
  while (cin >> n >> a >> b) {
    a--, b--;
    long long cnt = 0;
    while (a != b) a /= 2, b /= 2, n /= 2, cnt++;
    if (n == 1)
      cout << "Final!" << endl;
    else
      cout << cnt << endl;
  }
}
