#include<stdio.h>
int main()
{
    int n;
    scanf("%d",&n);
    int a[n],i;
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
    }
    int count=0;
    for(i=0;i<n;i++)
    {
        if(a[i]==1)
        {
            count++;
        }
        else if(a[i]>1)
        {
            if(a[i]%2!=0)
            {
                count=count+a[i]+1;
            }
            else if(a[i]%2==0)
            {
                count=count+a[i]/2+a[i]+1;
            }
        }
    }
    printf("%d",count);
    return 0;
}