#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int a[N];
int tot, n, minn;
int main() {
  scanf("%d", &n);
  minn = 1e9 + 10;
  for (int i = 1; i <= n; i++) {
    scanf("%d", &a[i]);
    if (minn > a[i]) {
      minn = a[i];
      tot = 1;
    } else if (minn == a[i])
      tot++;
  }
  if (tot <= n / 2)
    puts("Alice");
  else
    puts("Bob");
  return 0;
}
