#include <bits/stdc++.h>

using namespace std;


int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	long long a, b;
	cin >> a >> b;
	if(a != b + 1 && (a >= b || a == 1 )) {
		cout << "Alice";
	} else
		cout << "Bob";
	return 0;
}