#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001LL

int get(long long n,long long m){
	if(n==1 || n%m==0)return 1;
	int res = 0;
	if(get(m,n-1)==0)res = 1;
	if(n>=m && get(m,n%m)==0)res = 1;
	return res;
}

int main(){
	/*
	int n;
	cin>>n;
	rep(i,n){
		rep(j,n){
			cout<<get(i+1,j+1);
		}
		cout<<endl;
	}
		
	*/
	long long a,b;
	cin>>a>>b;
	if(a==1 || a==b || b<=a-2){
		cout<<"Alice"<<endl;
	}
	else{
		cout<<"Bob"<<endl;
	}
	
	return 0;
}