#include<set>

#include<map>

#include<queue>

#include<stack>

#include<cmath>

#include<vector>

#include<bitset>

#include<cstdio>

#include<cstring>

#include<iostream>

#include<algorithm>

#define ll long long

using namespace std;

int n;

int main()

{

    while(1)

    {

        scanf("%d",&n);

        if(n==0)

        {

            return 0;

        }

        printf((n&1)==0?"Alice\n":"Bob\n");

    }

}