#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
 
int main() 
{  
    int n;
    cin >> n;
  
    vector <long long> a(n);
    for (int i = 0; i < n; i++) 
    {
        cin >> a[i];
    }
    int ans=0;
    
    for(int i=0;i<n;i++)
    {
        ans=ans+a[i];
        if(a[i]%2!=0 && a[i]!=1)
            ans=ans+1;
        
        if(a[i]%2==0)
        {
            if(a[i]%3==0)
            {
                ans=ans+a[i]/3;
            }
            if(a[i]%2==0)
            {
                ans=ans+a[i]/2;
            }
            if(a[i]/2 !=2 && a[i]/2!=3)
            {
                ans=ans+2;
            }
        }
    }
    
    cout<<ans;
    return 0;
}