using System;

public class Program

{

    public static void Main()

    {

             Console.WriteLine("enter the number of questions that the student managed to answer right");

            int ranswers = int.Parse(Console.ReadLine());

            int first10q = ranswers * 8;

            int after10q = (ranswers - 10) * 5 + 10*8;

            if (ranswers <= 10)

                Console.WriteLine("the student got "+first10q );

            else

                Console.WriteLine("the student got "+after10q);

​

    }

}