#include<iostream>
#define ll long long int
using namespace std;
ll c=0;
void divide(ll d)
{
    if(d<=1)
    {

     return;
    }
    else
    {
        divide(d/2);
        c=c+d;
    }
}
int main()
{
    int n;
    cin>>n;
    ll a[n];
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=1;i<=n;i++)
    {
        divide(a[i]);
    }
    cout<<c;
}