using System;

​

public class Program

{

    const decimal ratio = 0.0555m;

    const int points=1;

    public static void Main()

    {

        Console.WriteLine("Enter your Average Blood Glucose Levels : ");

        string input = Console.ReadLine();

        decimal average = 0m;

        if (!Decimal.TryParse(input, out average))

            throw new Exception("Invalid input");

        Console.WriteLine();

        decimal averageMgdl = 0m;

        decimal averageMmol = 0m;

        if (average > 40m)

        {

            averageMgdl = average;

            averageMmol = Math.Round(average * ratio, points);

            Console.WriteLine($"Assuming units are measured in mg/dl ie {averageMgdl} mg/dl (or {averageMmol} mmol/l)");

        }

        else

        {

            averageMgdl = Math.Round(average / ratio,points);

            averageMmol = average;

            Console.WriteLine($"Assuming units are measured in mmol/l ie {averageMmol} mmol/l (or {averageMgdl} mg/dl)");

        }

​

        Console.WriteLine();

        var hbA1c_Perc = Math.Round(((averageMgdl + 46.7m) / 28.7m), points);

        var hbA1c_Value = Math.Round(((hbA1c_Perc - 2.15m) * 10.929m), points);

        var gmi_Perc = Math.Round(3.31m + (0.02392m * averageMgdl), points);

        var gmi_Value = Math.Round(12.71m + 4.70587m * averageMmol, points);

        ;

        Console.WriteLine($"Your estimated HbA1c is {hbA1c_Value} mmol/mol or {hbA1c_Perc} %");

        Console.WriteLine($"Your estimated GMI   is {gmi_Value} mmol/mol or {gmi_Perc} %");

    }

}