using System;
using System.Collections.Generic;
using System.Text;

//Task7:Write a method that reverses the digits of given decimal number. Example: 256  652


namespace Task7ReverseNumber
{
    class ReverseNumber
    {
        static void ReverseNum(string num)
        {
            int length = num.Length;
            long tempnumber = long.Parse(num);
            List<long> reversenumber = new List<long>();
            for (int i = 0; i < length; i++)
            {
                long n = (tempnumber / (long)(Math.Pow(10, length - i - 1)));  //extract digits from number 123 -> 1,2,3
                reversenumber.Add(n);                                                   //add to List
                tempnumber = tempnumber - (n * (long)Math.Pow(10, length - i - 1));
            }
            for (int j = length - 1; j >= 0; j--)                              //print List in reverse order
            {
                Console.Write(reversenumber[j]);
            }
        }
        static void Main(string[] args)
        {
            Console.Write("Enter a number:");
            string number = Console.ReadLine();
            ReverseNum(number);
            Console.WriteLine();
        }
    }
}