#include<iostream>
#include<vector>
#include<atcoder/modint>
using namespace std;
using mint=atcoder::modint998244353;
int N;
main()
{
	cin>>N;
	vector<vector<int> >now,nxt;
	now.emplace_back(N);
	for(int i=0;i<N;i++)cin>>now[0][i];
	mint ans=1;
	for(int k=30;k--;)
	{
		nxt.clear();
		for(int i=0;i<now.size();i++)
		{
			vector<int>L[2];
			for(int a:now[i])L[a>>k&1].push_back(a);
			for(int j=0;j<2;j++)if(!L[j].empty())nxt.push_back(L[j]);
		}
		if(now.size()<nxt.size())ans*=2;
		swap(now,nxt);
	}
	cout<<ans.val()<<endl;
}