#include<bits/stdc++.h>

using namespace std;

int main(){
    int mi = 999, amount = 999, n, x; // min value after loop, number of min value, number of pile, variable for  input
    scanf("%d", &n);
    for(int i = 1; i <= n; i++){
        scanf("%d", &x);
        if(x < mi){
            mi = x;
            amount = 1;
        }
        else if(x == mi) amount++;
    }
    printf(amount <= n/2 ? "Alice" : "Bob");
    return 0;


}