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);