#include<iostream>
using namespace std;
int main()
{
    int a,b,c,d,e,f,g,h,i,j,k,l;
    cin>>a>>b>>c;
    cin>>d>>e>>f;

    g=a%3;
    h=b%3;
    i=c%3;
    j=d%3;
    k=e%3;
    l=f%3;
    if(g>j || g>k || g>l ||h>j || h>k || h>l||i>j || i>>k || i>>l)
    {
        cout<<"Alice"<<endl;
    }
    else{
        cout<<"Bob"<<endl;
    }
}