using System;

public class Program

{

    public static void Main()

    {

        int[] sayi={4,9,2,10,5};

        int min=sayi[0];

        int max=sayi[0];

        int avg=0;

        int sum=0;

        for(int i=0; i<sayi.Length;i++){

            if(min>sayi[i]){

                min=sayi[i];        

            }

            if(max<sayi[i]){

                max = sayi[i];

            }   

            sum += sayi[i];

        }

            avg=sum/sayi.Length;

        Console.WriteLine(max);

        Console.WriteLine(sum);

        Console.WriteLine(min);

        Console.WriteLine(avg);

    }

}