#include <bits/stdc++.h>
using namespace std;
inline int read() {
  char ch = getchar();
  int x = 0, f = 1;
  while (ch < '0' || ch > '9') f = ch == '-' ? -1 : 1, ch = getchar();
  while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar();
  return x * f;
}
int main(int argc, char *argv[]) {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n = read();
  int mina = 0x3f3f3f3f, cnt = 0;
  for (int _ = (1); _ <= (n); _ += (1)) {
    int a = read();
    if (a == mina) cnt++;
    if (a < mina) mina = a, cnt = 1;
  }
  if (cnt > n / 2)
    puts("Bob");
  else
    puts("Alice");
  return 0;
}
