import java.util.Scanner;

public class CalculateSum $\{$

public static void sumAll$($int val, int sum$)\{$

sum $=$ sum $+$ val;

$/*$ Your code goes here $*/$

else $\{$

sumAll$($val $-1,$ sum$)$;

System.out.print$("+"+$ val$)$;

$\}$

$\}$

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

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

int val;

val $=$ scnr$.$nextInt$()$;

sumAll$($val$,0)$;

System.out.println$()$;

$\}$

$\}$