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

namespace ConsoleApp27
{
    class Program
    {
        static void Main(string[] args)
        {
            string newS = " ", last = " ",newSS=" ";
            int len = 0;
            string s1 = Console.ReadLine();
            string s2 = Console.ReadLine();
            string s3 = Console.ReadLine();
            int check = s1.CompareTo(s2);
            if(check>0)
            {
                newS = s2 + ", " + s1;
                last = s1;
            }
            else
            {
                newS = s1 + ", " + s2;
                last = s2;
            }
            check = newS.CompareTo(s3);
            if(check>0)
            {
                newSS = s3 + ", " + newS;
            }
            else
            {
                if(last.CompareTo(s3)>0)
                {
                    newSS = newS + ", " + s3;
                }
                else
                {
                    len = newS.Length - last.Length;

                }
            }
        }
    }
}