#include <iostream>
#include <vector>
#include "sales_data.hpp"
#include "sales_item.hpp"
/*
*
* Description
*
*
*/
using std::string;
using std::cout;
using std::cin;
using std::cerr;
using std::clog;
using std::endl;
using std::vector;
int main () {
return 0;
}