using System;

public class Program

{   

    public void Main()

    {

        int N,i,sum=0;

        float mean,median;

        Console.WriteLine("Enter N:");

        N=Convert.ToInt32(Console.ReadLine());

        int []p=new int[N];

        for(i=0;i<N;i++)

        {

            p[i]=Convert.ToInt32(Console.ReadLine());

            sum=sum+p[i];

        }

        mean=sum/N;

        Console.WriteLine("Mean of the data is {0}",sum);

        if(N%2==0)

            median=(p[N/2]+p[(N-1)/2])/2;

        else

            median=p[(N-1)/2];

    }                       

}