using System;

public class Program

{

    public static void Main()

    {

        int mark1 = 70;

        int mark2 = 60; 

        int mark3 = 50;

        int mark4 = 40;

        int mark5 = 60;

        int ttl = mark1 + mark2 + mark3 + mark4 + mark5;

        int Avg = ttl/5;

        String grade;

         if (Avg >= 70)

              grade = "A";

        else if (Avg >= 60)

             grade = "B";

        else if (Avg >= 50)

            grade = "C";

        else if (Avg >= 45)

            grade = "S";

        else

            grade = "F";

        Console.WriteLine("Nasrath" + mark1);

        Console.WriteLine("Rashidh" + mark2);

        Console.WriteLine("Sadhath" + mark3);

        Console.WriteLine("Peter" + mark4);

        Console.WriteLine("Bruce" + mark5);

        Console.WriteLine("Total" + ttl);

        Console.WriteLine("Average" + Avg);

        }

}