public static void Main()
Console.WriteLine("+++++++++++++++++++++++++++++++++");
Console.WriteLine("A = {0:f2} ", a);
Console.WriteLine("B = {0:f2} ", b);
Console.WriteLine("C = {0:f2} ", c);
Console.WriteLine("D = {0:f2} ", d);
Console.WriteLine("E = {0:f2} ", e);
Console.WriteLine("+++++++++++++++++++++++++++++++++");