#include<bits/stdc++.h>
using namespace std;
struct point{int x,y;
	point operator -(const point &a) const
		{return {x-a.x,y-a.y};}
}a[105];
long long cro(point a,point b){return 1ll*a.x*b.y-1ll*a.y*b.x;}
int n;vector<int>vec;
int main(){ cin>>n;
	for (int i=1;i<=n;i++)
		cin>>a[i].x>>a[i].y;
	for (int i=1;i<=n;i++) vec.emplace_back(i);
	if (n&1) cout<<"Beatrice"<<endl;
	else cout<<"Alberto"<<endl;
	for (int i=n;i>2;i--)
		if (i&1)
			{int x;cin>>x;vec.erase(lower_bound(vec.begin(),vec.end(),x));}
		else{
			long long Min=1ll<<60;
			int len=vec.size(),pos;
			for (int i=0;i<len;i++){
				long long area=abs(cro(a[vec[(i+1)%len]]-a[vec[i]],a[vec[(i+len-1)%len]]-a[vec[i]]));
				if (area<Min) Min=area,pos=vec[i];
			}
			cout<<pos<<endl;
			vec.erase(lower_bound(vec.begin(),vec.end(),pos));
		}
	return 0;
}