import java.util.Scanner;

public class DoSum

$\{$

public static void main$($String$[]$ args$)$

$\{$

Scanner in $=$ new Scanner$($System$.$in$)$;

int previous;

int sum $=0$;

int x $=0$;

do

$\{$

System.out.print$("$Enter an integer $(0$ to stop$)$: $")$;

int current $=$ in$.$nextInt$()$;

if $($current $==$ previous$)\{$

break; $//$ Break the loop if the same value is read twice in a row

$\}$

sum $+=$ current;

previous $=$ current;

$\}$ while $($previous $!=0)$;

System.out.println$("$Sum: $"+$ sum$)$;

$\}$

$\}$