#include <bits/stdc++.h>
using namespace std;
int n, mmin = 51, k;
int arr[51];
signed main() {
  ios_base::sync_with_stdio(0), cin.tie(0);
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    mmin = min(mmin, arr[i]);
  }
  for (int i = 0; i < n; i++) k += arr[i] == mmin;
  if (k > n / 2)
    cout << "Bob\n";
  else
    cout << "Alice\n";
}
