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