#include <bits/stdc++.h>
using namespace std;
using lint = long long;
const lint linf = 1e18 + 7;
const lint inf = 1e9 + 7;
const int MOD = 1000000007;
signed main() {
  int n, a, b;
  cin >> n >> a >> b;
  int res = 0;
  a += n - 1;
  b += n - 1;
  while (a != b) {
    ++res;
    a /= 2;
    b /= 2;
  }
  if ((1 << res) == n) {
    cout << "Final!"
         << "\n";
    return 0;
  }
  cout << res << "\n";
  return 0;
}
