using System;
using System.Collections;
using System.Collections.Generic;
 
class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		int x=0;
		for(int i=0;i<N;i++){
			Dictionary<int,int> D=PrimDec(A[i]);
			foreach(int k in D.Keys){
				x^=D[k]%3;
			}
		}
		Console.WriteLine(x==0?"Bob":"Alice");
		
	}
	int N;
	int[] A;
	public Sol(){
		N=ri();
		A=ria();
	}


	static Dictionary<int,int> PrimDec(int A){
	 	Dictionary<int,int> D=new Dictionary<int,int>();
	 	if(A==1)return null;
	 	int rem=A;
	 	for(int i=2;i<=(int)Math.Sqrt((double)A);i++){
	 		if(rem%i==0){
	 			int cnt=0;
	 			while(rem%i==0){cnt++;rem/=i;}
	 			D.Add(i,cnt);
	 		}
	 		if(rem==1)break;
	 	}
	 	if(rem!=1)D.Add(rem,1);
	 	return D;
	}


	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}