#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using mint = atcoder::modint998244353;

int main(){
	int n,m;
	cin>>n>>m;
	vector<int> a(n);
	rep(i,n) cin>>a.at(i);
	//rep(i,n) a.at(i)/=m;
	int tmp=0;
	rep(i,n) tmp^=a.at(i);
	if(tmp!=0){
		cout<<"Alice\n";
	}else{
		cout<<"Bob\n";
	}
}