public static void Main()
Console.WriteLine("Cyklus, ktery vypise poporade vsechna cisla od 0 do 20");
for (int i = 0; i <= 20; i++)
Console.WriteLine("---------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("Cyklus, ktery vypise pouze suda od 0 do 20");
for (int i = 0; i <= 20; i++)
Console.WriteLine("---------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("Zadej cislo pocatecni cislo");
if (!int.TryParse(Console.ReadLine(), out int lowerNumber))
Console.WriteLine("Toto neni cislo");
Console.WriteLine("Zadej cislo horni cislo");
if (!int.TryParse(Console.ReadLine(), out int upperNumber))
Console.WriteLine("Toto neni cislo");
for (int i = lowerNumber; i <= upperNumber; i++)
Console.WriteLine("---------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("Hadej cislo mezi 0 a 10.");
int.TryParse(Console.ReadLine(), out x);
Console.WriteLine("Spravne!. Uhodnete cislo je 3.");