using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace test_2
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            string[] ns = Console.ReadLine().Split(' ');
            int sum = 0;

            for (int i = 0; i < n; i++)
            {
                sum += int.Parse(ns[i]);
                
            }

            Console.WriteLine(sum/n);

        }
    }
}