let ab = readLine()!.split(separator: " ").map{Int($0)!}
let (a,b) = (ab[0],ab[1])
if a >= b+2{
	print("Alice")
}else if a == b+1{
	print("Bob")	
}else if a == b{
	print("Alice")	
}else if a == 1{
	print("Alice")	
}else{
	print("Bob")	
}