#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  long long a, b;
  cin >> a >> b;
  if (a == 1)
  {
    cout << "Alice" << endl;
  }
  else if (a == b + 1)
  {
    cout << "Bob" << endl;
  }
  else if (a > b + 1)
  {
    cout << "Alice" << endl;
  }
  else if (a == b)
  {
    cout << "Alice" << endl;
  }
  else
  {
    cout << "Bob" << endl;
  }
}