#include <iostream>

using int64 = long long;

int main()
{
    int64 A, B;
    std::cin >> A >> B;

    if (A == 1LL || A == B) {
        std::cout << "Alice" << std::endl;
    }
    else if (A == B + 1LL) {
        std::cout << "Bob" << std::endl;
    }
    else if (A > B + 1LL) {
        std::cout << "Alice" << std::endl;
    }
    else {
        std::cout << "Bob" << std::endl;
    }
    return 0;
}