using System;
public class Program
{
public static void Main(string[] args)
/* int summa = subtrahera(3, 4);
Console.WriteLine(summa);
Console.ReadLine();
}
public static int subtrahera(int siffra1, int siffra2) {
return siffra1 - siffra2 ;
int summa = Addera(187.4, 45, 12);
public static int Addera(int siffra1, int siffra2, int siffra3) {
return siffra1 + siffra2 + siffra3;
*/
PrintDottedLine();
Console.WriteLine("hello world");
public static void PrintDottedLine() {
string result = new String('-', 15); // ........
Console.WriteLine(result);