Output order

Write a recursive function, each a positive integer outputted sequentially taken out from the press to the high number of low order number.
Separated by a space between each digit conventions entered.
Results are as follows:
Input: 12345
Output: 12345

#include<stdio.h>
#include<stdlib.h>
int apart(int a)
{
if(a<10）
{
  printf("%d ",a);
 }
 else
 {
  apart(a/10);
  printf("%d ",a%10);
 }
}
int main()
{
 int num;
 scanf("%d",&num);
 apart(num);
 system("pause");
 return 0;
}