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