using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace Opdracht3._7

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Voer uw tekst in...");

            string invoer = Convert.ToString(Console.ReadLine());

​

            invoer = invoer.Replace("a", "*");

            invoer = invoer.Replace("i", "*");

            invoer = invoer.Replace("e", "*");

            invoer = invoer.Replace("u", "*");

            invoer = invoer.Replace("o", "*");

​

            Console.Write(invoer);

            Console.ReadLine();

        }

    }

}

​