using System;

public class Program

{

    public static void Main()

    {

           //vypocet prumerne znamky

            int zak1 = 5;

            int zak2 = 4;

            int zak3 = 3;

            int zak4 = 2;

            int zak5 = 1;

​

           //vypocet prumeru znamek

            double student1 = 5;

            double soucet = student1;

            double student2 = 4;

            soucet = soucet + student2;

            double student3 = 3;

            soucet = soucet + student3;

            double student4 = 2;

            soucet = soucet + student4;

            double student5 = 1;

            soucet = soucet + student5;

            double prumernaZnamka = soucet / 5;

            Console.Write("Prumerna znamka");

            Console.WriteLine(prumernaZnamka);

    }

}