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