#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, mn = 1e9, cnt;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    int a;
    scanf("%d", &a);
    if (a < mn) {
      mn = a;
      cnt = 0;
    }
    if (a == mn) cnt++;
  }
  if (cnt > n / 2)
    printf("Bob");
  else
    printf("Alice");
}
