/* -*- coding: utf-8 -*-
 *
 * 3112.cc:  No.3112 Decrement or Mod Game - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* typedef */

using ll = long long;

/* main */

int main() {
  ll a, b;
  scanf("%lld%lld", &a, &b);

  if (a == 1 || b == 1) puts("Alice");
  else if (a > b + 1) puts("Alice");
  else if (a == b + 1) puts("Bob");
  else if (a == b) puts("Alice");
  else puts("Bob");

  return 0;
}