using System;

public class Program

{

    public static void Main()

    {

        double art, dsalec, dsalab, mmw, pe, science, theology, grades; 

        art = Convert.ToDouble(Console.ReadLine());

        dsalec = Convert.ToDouble(Console.ReadLine());

        dsalab = Convert.ToDouble(Console.ReadLine());

        mmw = Convert.ToDouble(Console.ReadLine());

        pe = Convert.ToDouble(Console.ReadLine());

        science = Convert.ToDouble(Console.ReadLine());

        theology = Convert.ToDouble(Console.ReadLine());

        Console.Write ("input your grades in art appreciation: ");

        Console.Write ("input your grades in data structure and algorithm laboratory: ");

        Console.Write ("input your grades in adata structure and algorithm lecture: ");

        Console.Write ("input your grades in mathematics in the modern word: ");

        Console.Write ("input your grades in physical education 2: ");

        Console.Write ("input your grades in environmental science: ");

        Console.Write ("input your grades in searching for god: ");

        grades = (art + dsalab + dsalec + mmw + pe + science + theology) / 8;

        Console.Write ("your general weighted average is: " + grades);

    }

}