#include <iostream>
using namespace std;

int main()
{
	//decalre array
	int chg[4]= {15,10,5,0};
	int max[4] ={12,50,100,99999};
	int order = 0;

	while(order != -1)
{
	cout <<"Enter Number of items ordered (-1 TO QUIT): " << endl;
	cin >> order;

	if(order == -1)
	{ system("pause");
	return 0;
	}

	int value;
for (int n = 0; n<4; n++)

{
	if (order > max[n] && order < max[n+1])
		{
        value = chg[n];
		cout << "Shipping: " << value << endl;
		}

}
}
}