#include <bits/stdc++.h>
using namespace std;
int a[1000005];
int main() {
  int n, minx = 0x3f3f3f3f;
  cin >> n;
  int num = 0;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    if (a[i] < minx) {
      minx = a[i];
      num = 0;
    }
    if (a[i] == minx) num++;
  }
  if (num > n / 2)
    cout << "Bob" << endl;
  else
    cout << "Alice" << endl;
  return 0;
}
