using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<double> input = new List<double>(){1.2, 2.3, 1.12, 5.1};

        input = input.OrderBy(x=>x-Math.Truncate(x)).ToList();

        Console.WriteLine(String.Join("\n",input));

    }

}