import java.util.Scanner;

public class Task$3\{$

public static main$($String args$)\{$

System.println $("$Hello$,$ world!$)$;

message$()$

$\}$

public static void message$\{$

System.out.println $("$THe program surely can not"$)$;

System.out.println $($ "have any $\backslash "$errors$\backslash "$ in it$")$;

$\}$