#include <bits/stdc++.h>
using namespace std;
int a[1000];
int main() {
  int n, mn = 100, cnt = 0;
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
    mn = min(mn, a[i]);
  }
  for (int i = 1; i <= n; ++i) cnt += (a[i] == mn);
  if (2 * cnt <= n)
    cout << "Alice";
  else
    cout << "Bob";
}
