02. English Name of the Last Digit

using System;

namespace EnglishNameofTheLastDigit
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine()) % 10;
            string result = "";

            switch (num)
            {
                case 1:
                    result = "one";
                    break;
                case 2:
                    result = "two";
                    break;
                case 3:
                    result = "three";
                    break;
                case 4:
                    result = "four";
                    break;
                case 5:
                    result = "five";
                    break;
                case 6:
                    result = "six";
                    break;
                case 7:
                    result = "seven";
                    break;
                case 8:
                    result = "eight";
                    break;
                case 9:
                    result = "nine";
                    break;
                case 0:
                    result = "zero";
                    break;
            }
            Console.WriteLine(result);
        }
    }
}


Решение с масив:

using System;

namespace EnglishNameOfTheLastDigit
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine()) % 10;

            string[] result = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };

            Console.WriteLine(result[num]);
        }
    }
}