SortNumbers

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

namespace SortNumbers
{
    class SortNumbers
    {
        static void Main()
        {
            List<decimal> numbers = Console.ReadLine().Split(' ').Select(decimal.Parse).ToList();

            numbers.Sort();
            Console.WriteLine(string.Join("<=",numbers));
        }
    }
}