using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ConsoleApp5
{
    class Program
    {
        static void Main(string[] args)
        {
            string user1, user2, user3;
            bool checknumber1 = false;
            bool checknumber2 = false;
            bool checknumber3 = false;
            double createnumber1, createnumber2, tem;
            double createnumber3 = 0;
 
            Console.WriteLine("give me the first number");
 
            while (!checknumber1)
            {
 
                user1 = Console.ReadLine();
                checknumber1 = double.TryParse(user1, out createnumber1);
                if (!checknumber1)
                {
                    Console.WriteLine("it is  not number try again ");
 
                }
                else
                {
                    Console.WriteLine("give me second number");
                    while (!checknumber2)
                    {
                        user2 = Console.ReadLine();
                        checknumber2 = double.TryParse(user2, out createnumber2);
 
                        if (!checknumber2)
                        {
                            Console.WriteLine("it is not number try again");
                        }
                        else
                        {
                            Console.WriteLine("give me the third number.");
                            while (!checknumber3)
                            {
                                user3 = Console.ReadLine();
                                checknumber3 = double.TryParse(user3, out createnumber3);
                                if (!checknumber3)
                                {
                                    Console.WriteLine("its not a number try again");
                                }    
                            }
                            for (int i = 0; i < 3; i++)
                            {
                                if (createnumber1 > createnumber2)
                                {
                                    tem = createnumber1;
                                    createnumber1 = createnumber2;
                                    createnumber2 = tem;
                                }
                                if (createnumber2 > createnumber3)
                                {
                                    tem = createnumber2;
                                    createnumber2 = createnumber3;
                                    createnumber3 = tem;
                                }
                            }
 
                            Console.WriteLine(+createnumber1 + " " + createnumber2 + " " + createnumber3);
 
                        }
 
                    }
                }
 
 
            }
        }
    }
}