using System;

public class Program

{

    public static void Main()

    {

        long nationalDebt = 19900000000000;

        Console.WriteLine("By 100 Millions ");

        //Calling the method

        CalculatePayDownDays(100000000, nationalDebt);

    }

    //This method is void which means it does not return a value    

    private static void CalculatePayDownDays(long payPerDay, long nationalDebt)

    {

        //Simple division to get the number of days it will take to pay down the debt

        //Uses Math.Ceiling to get the closest whole number that is greater than or equal to the result of the division

        long days = (long)Math.Ceiling((decimal)nationalDebt / payPerDay);

        //for loop, start at 0, increase by one every loop

        for (long i = 1; i < days + 1; i++)

        {

            //decrease the debt by payPerDay

            nationalDebt -= payPerDay;

            //Print the day, and the new national debt balance to the console

            Console.WriteLine("Day {0}, New Balance: {1:c}", i, nationalDebt);

        }

    }

}