//Jose Ed. Dieck
//Prob 13 Shipping Charges

#include<iostream>
#include<iomanip>
using namespace std;

int main(){

	float weight, cost;
	int distance;

	cout<<"What is the weight of the item?(in kg): ";
	cin>>weight;
	cout<<"What is the distance of the journey?(in miles): ";
	cin>>distance;

	if((weight<= 0 || weight > 20)||(distance<10 || distance>3000))
		cout<<"Unacceptable weight or distance parameters, please restart the program.";

	if(weight<2)
		cost = 1.1 * (weight/500);
	else if (weight >2 && weight <= 6)
		cost = 2.2 * (weight/500);
	else if (weight > 6 && weight <= 10)
		cost = 3.7 * (weight/500);
	else
		cost = 4.8 * (weight/500);






	return 0;
}