import java.util.Arrays;
import java.util.Scanner;

public class Main implements Runnable {
    public static void main(String[] args) {
        new Thread(null, new Main(), "", 512 * 1024 * 1024).start();
    }
    
    public void run() {
    	Scanner sc=new Scanner(System.in);
    	long A=sc.nextLong();
    	long B=sc.nextLong();
    	if(A==B||A==1||A-1>B||B==1) {
    		System.out.println("Alice");
    	} else {
    		System.out.println("Bob");
    	}
    }
    
    void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}
}