using System;

namespace Labs20180517
{
    class Program
    {
        static void Main(string[] args)
        {
            //11.Odd Number
            int number = int.Parse(Console.ReadLine());
            int theNumber = Math.Abs(number);

            while (theNumber % 2 == 0)
            {
                Console.WriteLine("Please write an odd number.");
                number = int.Parse(Console.ReadLine());
                theNumber = Math.Abs(number);
            }
            Console.WriteLine($"The number is: {theNumber}");
        }
    }
}