#include <bits/stdc++.h>
using namespace std;

void fast_io() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
}

int main() {
	fast_io();
	int n;
	cin >> n;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	long long ans = 0;
	for (int i = 0; i < 28; i++) {
		vector<int> b;
		for (int j = 0; j < n; j++) {
			b.push_back((a[j] >> i) & 1);
		}
		long long tmp = (long long)n * (n + 1) / 2;
		vector<pair<int, int>> rle;
		for (int j : b) {
			if (rle.empty() || rle.back().first != j) {
				rle.push_back({j, 1});
			} else {
				rle.back().second++;
			}
		}
		for (auto [j, k] : rle) {
			if (j == 0) {
				tmp -= (long long)k * (k + 1) / 2;
			}
		}
		ans += tmp << i;
	}
	cout << ans << endl;
}