static void Main(string[] args)
        {
            var        path       = Path.Combine(Environment.CurrentDirectory, @"..\..\", "input.json");
            InputModel inputModel = JsonHandler <InputModel> .ReadJson(path);

            // Calculates how many days were suspende per year
            var suspendedDaysPerYear = LogicHandler.GetSuspendedDaysPerYear(inputModel.SuspensionPeriodList);

            foreach (var period in suspendedDaysPerYear)
            {
                Console.WriteLine($"{period.Key} -> {period.Value} days");
            }
            var holidayDaysPerYear = LogicHandler.GetDaysOffPerYear(suspendedDaysPerYear, inputModel.EmploymentStartDate.Year);

            foreach (var period in holidayDaysPerYear)
            {
                Console.WriteLine($"{period.Key} -> {period.Value} days");
            }

            var outputModel = new OutputModel
            {
                ErrorMessage             = "No Error!",
                HolidayRightsPerYearList = holidayDaysPerYear
            };

            JsonHandler <OutputModel> .WriteJson(path, outputModel);

            Console.Read();
        }