using System;

public class Program

{

    private static void PrintEuroEquivalent(double euro) {

        double dollar = euro * 1.0989;

        Console.WriteLine("Van {0} euro krijg je {1} dollar.", euro, dollar);

    }

    private static double BerekenEquivalent(double euro) {

        Console.WriteLine("Ik geef {0} euro .", euro );

        return euro * 1.0989;

    }

    public static void Main()

    {

        PrintEuroEquivalent(5); 

        PrintEuroEquivalent(1);

        double dollar = BerekenEquivalent(2);

        Console.WriteLine("Ik krijg {0} terug.", dollar);

        dollar = BerekenEquivalent(6);

        Console.WriteLine("Ik krijg {0} terug.", dollar);

    }

}