import java.util.*;
import java.io.*;
class arrayupdate
{
    public static void main()throws IOException
    {
        try
        {
            Scanner sc=new Scanner(System.in);
            int n=sc.nextInt();
            int arr[]=new int[n];
            int sum=0;
            for(int x=0;x<n;x++)
            {
                arr[x]=sc.nextInt();
                sum+=arr[x];
            }
            int div=(int)sum/n;
            div+=1;
            System.out.println(div);
        }
        catch(Exception e)
        {
            System.out.println("ERROR");
        }
    }
}