using System;

using System.Threading.Tasks;

public class Program

{

    public static async Task Main()

    {

        await A().ConfigureAwait(false);

    }

    public static async Task A()

    {

        var isSuccess = true;

        try

        {

          Console.WriteLine("inside try");

            await ThrowExceptionMethod();

        }

        catch (Exception e)

        {

          Console.WriteLine("inside catch");

          isSuccess = false;

          throw;

        }

        finally

        {

          Console.WriteLine("inside finally");

          Console.WriteLine(isSuccess);

        }

    }

    public static async Task ThrowExceptionMethod()

    {

        await Task.Delay(1000);

        throw new Exception();

    }

}