#include <bits/stdc++.h>
#include <atcoder/dsu>
using namespace std;

#define rep(i,a) for(int i=0;i<a;i++)
#define f(i,a,b) for(int i=a;i<=b;i++)
#define rf(i,a,b) for(int i=a;i>=b;i--)

using ll = long long;
using ld = long double;
using vi= vector<int>;
using vvi= vector<vi>;
using vs= vector<string>;
using pii= pair<int, int>;
using vpii= vector<pii>;
#define endl '\n'


int main(void){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    bool Alice_turn = true;
    ll a, b;
    cin >> a >> b;
    if(a<b){
    	a--;
    	while (a != 0) {
        if (b / a >= 2){
        	cout << "Bob" << endl;
        	return 0;
        	}
        long long temp = b % a;
        b = a;
        a = temp;
    	}
    	cout << "Alice" << endl;
    	return 0;
    }else {
    	while (b != 0) {
        	if (a / b >= 2){
        		cout<< "Alice"<<endl;
        		return 0;
        	}
        	long long temp = a % b;
        	a = b;
        	b = temp;
    	}
    cout << "Bob" <<endl;
    }
}