#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main()
{
	int a, b;
	cin >> a >> b;
	if(a % 2 == 0 && b % 2 == 0) cout << "Bob" << endl;
	if(a % 2 == 1 && b % 2 == 0) cout << "Alice" << endl;
	if(a % 2 == 0 && b % 2 == 1) cout << "Bob" << endl;
	if(a % 2 == 1 && b % 2 == 1) cout << "Alice" << endl;
}