#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;
#define REP(i,n) for(ll i=0;i<ll(n);i++)







int main(void){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	ll i,j;



	ll A,B;
	cin >> A >> B;


	if(B>A){
		if(A==1) cout << "Alice" << endl;
		else cout << "Bob" << endl;
	}
	else{
		if(A-B==1) cout << "Bob" << endl;
		else cout << "Alice" << endl;
	}







	return 0;

}