using System;

public class Program

{

    public static void Main()

    { 

        double a, r;

        Console.ForegroundColor = ConsoleColor.DarkBlue;

        Console.WriteLine("Digite o valor total das vendas:");

        Console.ForegroundColor = ConsoleColor.DarkRed;

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

        r = a * math.%;

    }

}