#include<cstdio>
#include<map>
#define rep(i,a) for(int i=0;i<(a);++i)

int N, M, ans;

std::map<int, int> prime_factor( int n )
{
	std::map<int, int> ret;

	for( int i = 2; i*i <= n; ++i ) while( n % i == 0 )
	{
		++ret[i];
		n /= i;
	}

	if( n != 1 )
		++ret[n];

	return ret;
}

int main()
{
	scanf( "%d", &N );
	rep( i, N )
	{
		int M;
		scanf( "%d", &M );

		auto m = prime_factor( M );
		for( auto it = m.begin(); it != m.end(); ++it )
			ans ^= it->second%3;
	}

	puts( ans?"Alice":"Bob" );

	return 0;
}