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

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll a, b;
    cin >> a >> b;
    if(a == b + 1){
        cout << "Bob\n";
        return 0;
    }
    cout << (a >= b ? "Alice" : "Bob") << '\n';
}