#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	ll a, b;
	cin >> a >> b;
	if ((a != 1 && a < b) || a - 1 == b) {
		cout << "Bob" << endl;
	} else {
		cout << "Alice" << endl;
	}
	return 0;
}