using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        //var nums = new List<int> {1, 2, 3, 4, 5, 6};

​

        /*names.Add("Peter");

        names.Add("Maria");

        names.Add("George");

        foreach (var name in names)

        Console.WriteLine(name);

        names.Remove("Maria");*/

        //Console.WriteLine(String.Join(", ", nums));

​

        //List<int> items = new List<int>():

        string values = Console.ReadLine();

        List<string> items = values.Split(' ').ToList();

        List<int> nums = new List<int>();

        for (int i = 0; i < items.Count; i++)

        nums.Add(int.Parse(items[i]));

        Console.WriteLine(String.Join(",", nums));

​

    }

}