#include <bits/stdc++.h>
using namespace std;
int n;
int mini = 1000;
int ile_mini;
int main() {
  cin >> n;
  for (int i = 0; i < n; i++) {
    int curr;
    cin >> curr;
    if (curr < mini) {
      mini = curr;
      ile_mini = 0;
    }
    if (curr == mini) ile_mini++;
  }
  if (ile_mini > n / 2)
    cout << "Bob\n";
  else
    cout << "Alice\n";
  return 0;
}
