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

int main(){

    int n;
    cin >> n;
    vector<long long> a(n);
    rep(i,n) cin >> a[i];

    ll ans = 0;
    rep(i,28) {

        int sum  = 0;
        int last = -1;
        rep(k,n) {
            if(a[k]&(1ll<<i)) {
                sum += (k-last)*(n-k);
                last = k;
            }
        }
        ans += (1ll<<i)*sum;
    }
    cout << ans << endl;

    return 0;
}