Numbers_to_Words 2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Numbers_to_Words
{
    class Numbers_to_Words
    {
        static void Main(string[] args)
        {


            int numCount = int.Parse(Console.ReadLine());

            for (int i = 0; i < numCount; i++)
            {

                var currentNum = int.Parse(Console.ReadLine());
                //Console.WriteLine(Letterize(currentNum));

                // Valid ot not valid currentNum
                if (currentNum > 999)
                {
                    Console.WriteLine("too large");
                    continue;
                }

                else if (currentNum < -999)
                {
                    Console.WriteLine("too small");
                    continue;
                }

                else if (currentNum >= -99 && currentNum <= 99)
                {
                    continue;
                }


                var hundredDigitOfCurrentNum = (Math.Abs(currentNum) / 10) / 10;
                var tenthsDigitsOfCurrentNum = (Math.Abs(currentNum) / 10) % 10;
                var singlesDigitsOfCurrenrNum = Math.Abs(currentNum) % 10;

                var hundredPositionResult = string.Empty;
                var tenthsPositionResult = string.Empty;
                var singlesPositionResult = string.Empty;

                // Discovery of the hundreds
                switch (hundredDigitOfCurrentNum)
                {
                    case 1:
                        hundredPositionResult = "one-hundred";
                        break;
                    case 2:
                        hundredPositionResult = "two-hundred";
                        break;
                    case 3:
                        hundredPositionResult = "three-hundred";
                        break;
                    case 4:
                        hundredPositionResult = "four-hundred";
                        break;
                    case 5:
                        hundredPositionResult = "five-hundred";
                        break;
                    case 6:
                        hundredPositionResult = "six-hundred";
                        break;
                    case 7:
                        hundredPositionResult = "seven-hundred";
                        break;
                    case 8:
                        hundredPositionResult = "eight-hundred";
                        break;
                    case 9:
                        hundredPositionResult = "nine-hundred";
                        break;
                }

                //Find the numbers up to 10
                if (tenthsDigitsOfCurrentNum != 1)
                {
                    switch (singlesDigitsOfCurrenrNum)
                    {
                        case 1:
                            singlesPositionResult = "one";
                            break;
                        case 2:
                            singlesPositionResult = "two";
                            break;
                        case 3:
                            singlesPositionResult = "three";
                            break;
                        case 4:
                            singlesPositionResult = "four";
                            break;
                        case 5:
                            singlesPositionResult = "five";
                            break;
                        case 6:
                            singlesPositionResult = "six";
                            break;
                        case 7:
                            singlesPositionResult = "seven";
                            break;
                        case 8:
                            singlesPositionResult = "eight";
                            break;
                        case 9:
                            singlesPositionResult = "nine";
                            break;
                    }
                }
                // Detection of special cases in the case of tens
                else if (tenthsDigitsOfCurrentNum == 1)
                {
                    switch (singlesDigitsOfCurrenrNum)
                    {
                        case 0:
                            tenthsPositionResult = "ten";
                            break;
                        case 1:
                            tenthsPositionResult = "eleven";
                            break;
                        case 2:
                            tenthsPositionResult = "twelve";
                            break;
                        case 3:
                            tenthsPositionResult = "thirteen";
                            break;
                        case 4:
                            tenthsPositionResult = "fourteen";
                            break;
                        case 5:
                            tenthsPositionResult = "fifteen";
                            break;
                        case 6:
                            tenthsPositionResult = "sixteen";
                            break;
                        case 7:
                            tenthsPositionResult = "seventeen";
                            break;
                        case 8:
                            tenthsPositionResult = "eighteen";
                            break;
                        case 9:
                            tenthsPositionResult = "nineteen";
                            break;
                    }
                }
                //Find the position of the tenths
                switch (tenthsDigitsOfCurrentNum)
                {
                    case 2:
                        tenthsPositionResult = "twenty";
                        break;
                    case 3:
                        tenthsPositionResult = "thirty";
                        break;
                    case 4:
                        tenthsPositionResult = "forty";
                        break;
                    case 5:
                        tenthsPositionResult = "fifty";
                        break;
                    case 6:
                        tenthsPositionResult = "sixty";
                        break;
                    case 7:
                        tenthsPositionResult = "seventy";
                        break;
                    case 8:
                        tenthsPositionResult = "eighty";
                        break;
                    case 9:
                        tenthsPositionResult = "ninety";
                        break;
                }

                //Printing
                if (currentNum < 0)
                {
                    hundredPositionResult = "minus " + hundredPositionResult;
                }

                if (tenthsDigitsOfCurrentNum == 0 && singlesDigitsOfCurrenrNum == 0)
                {
                    Console.WriteLine(hundredPositionResult);
                }
                else if (tenthsDigitsOfCurrentNum == 0 && singlesDigitsOfCurrenrNum != 0)
                {
                    Console.WriteLine($"{hundredPositionResult} and {singlesPositionResult}");
                }
                else if (tenthsDigitsOfCurrentNum != 0 && singlesDigitsOfCurrenrNum == 0)
                {
                    Console.WriteLine($"{hundredPositionResult} and {tenthsPositionResult}");
                }
                else
                {
                    Console.WriteLine($"{hundredPositionResult} and {tenthsPositionResult} {singlesPositionResult}");
                }


            }
        }
    }
}