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

int a,b,r;

void solve(){
	
	int d=2*r;
	
	if(d>a||d>b){
		cout<<"Bob"<<endl;
	}else{
		cout<<"Alice"<<endl;
	}
	
	return;
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	cin>>a>>b>>r; 
	
	solve();
	
    return 0;
}