#include <iostream>
using namespace std;

void explode(int number)
{
    int ctrack = 0;
    if (number <= 0) return;
    int digit = number % 10;
    explode(number/10);
    if(number >= 10)
    {
    	cout << ",";
    }
    cout << digit;
}

int main()
{
	explode(12345678);
}