/**
 *
 * @author  Mark Donnermeyer
 */
public class Hello {
    
    public static void main(String[] args) {
        System.out.print("Hallo ");
        for (int i=0; i<args.length; i++)
        {
            if (i==args.length-1 && i>0)
                System.out.print(" und ");
            else if (i>0)
                System.out.print(", ");
            System.out.print(args[i]);
        }
    }
    
}