public class BonjourPlus
{
    static final String default_name= "X";

    public static void main(String args[])
    {
	System.out.print("Bonjour, ");
	if(args.length == 0)
	    System.out.print(default_name);
	else 
	    {
	      for(int i = 0 ; i < args.length -1; i++) 
		System.out.print(args[i]+" ");
	      System.out.print(args[args.length -1]);
	    }
	System.out.println("!");
    }
}