#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic pop
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using mint = modint998244353;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  VI a(n);
  rep(i, n) cin >> a[i];
  sort(all(a));
  vector<char> div(n + 1);
  div[0] = div[n] = true;
  mint ans = 1;
  rrep(k, 30) {
    bool ok = false;
    for(int i = 0; i < n;) {
      int j = i + 1;
      while(!div[j]) j++;
      for (int p = i; p + 1 < j; p++) if ((a[p] >> k & 1) != (a[p+1] >> k & 1)) {
        div[p+1] = true;
        if (!ok) {
          ok = true;
          ans *= 2;
        }
      }
      i = j;
    }
  }
  cout << ans.val() << '\n';
}