#include <bits/stdc++.h>
using namespace std;
long long mexp(long long a, long long b) {
  long long ans = 1;
  a %= 1000000007;
  while (b) {
    if (b & 1) ans = ans * a % 1000000007;
    b >>= 1;
    a = a * a % 1000000007;
  }
  return ans;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  int a[n + 1];
  int mn = 100;
  for (long long i = 1; i < n + 1; ++i) {
    cin >> a[i];
    mn = min(mn, a[i]);
  }
  int c = 0;
  for (long long i = 1; i < n + 1; ++i) {
    if (a[i] == mn) {
      c++;
    }
  }
  if (c > n / 2) {
    cout << "Bob";
  } else {
    cout << "Alice";
  }
  cerr << "Time: " << 1.0 / CLOCKS_PER_SEC << " ms" << endl;
  return 0;
}
