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

namespace lista
{
    class Program
    {
        static void Main(string[] args)
        {
            // 1. feladat

            List<double> xxx = new List<double>();
            
            int n=int.Parse(Console.ReadLine());
            for (int i = 0; i < n; i++)
			{
			 
                Console.Write("kérem a {0} számot:",i+1);
                string s=Console.ReadLine();
                double d=double.Parse(s.Replace('.',','));


			}
            foreach (double x in szamok)
            {


                Console.Write("{0} ",x);
                Console.WriteLine();


            }
            double sum = 0;
            foreach (double x in szamok)
            {


                sum = sum + x;
                Console.WriteLine("Atlag={0}"; sum / n);


            }
        

           

            
            

           // 2.feladat

         

        }
    }
}