#include <bits/stdc++.h>
using namespace std;
void solve() {
  long long n;
  cin >> n;
  long long arr[n];
  long long mini = 1e18;
  unordered_map<long long, long long> occ;
  for (long long i = 0; i < n; i++) {
    cin >> arr[i];
    mini = min(mini, arr[i]);
    occ[arr[i]]++;
  }
  if (occ[mini] >= (n / 2) + 1) {
    cout << "Bob" << endl;
  } else {
    cout << "Alice" << endl;
  }
}
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  ;
  long long t = 1;
  while (t--) {
    solve();
  }
}
