using System;

public class Program

{

    public static void Main()

    {

        string veta = "C# is a modern, innovative, open-source, cross-platform object-oriented programming language and one of the top 5 programming languages on GitHub.";

        char[] oddelovace = {' ', ',', '.'};     // inicializované pole znaků

        string[] slova = veta.Split(oddelovace);

        Console.WriteLine(string.Join(" | ", slova));

    }

}