#include <iostream>
using namespace std;
typedef long long ll;

int main()
{
    ll n;
    cin >> n;
    int a[200005];
    for(int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    ll ans = 0;
    for(int c = 0; c < 28; c++)
    {
        ans += (n * (n + 1) / 2) << c;
        ll s = 0;
        for(int i = 0; i < n; i++)
        {
            if(!((a[i] >> c) & 1))
            {
                s++;
            }
            else
            {
                s = 0;
            }
            ans -= s << c;
        }
    }
    cout << ans << endl;
}