#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=14449999999999;
ll mod=998244353;
int main(){
    ll n;
    cin >> n;
    vector<ll>a(n);
    for (ll i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    vector<ll>two(40,1);
    for (ll i = 1; i < 40; i++)
    {
        two[i]=two[i-1]*2;
    }
    ll ans=0;
    for (ll i = 0; i < 30; i++)
    {
        ll x=-1;
        for (ll j = 0; j < n; j++)
        {
            if (two[i]&a[j])
            {
                ans+=two[i]*(j+1);
                x=j;
            }else{
                ans+=two[i]*(x+1);
            }
        }
    }
    cout << ans << endl;
}