#include<iostream>
// 2-16

using namespace std;

int main()
{

	double milk_carton = 3.78;
	double cost_liter = 0.38;
	double profit_liter = 0.27;
	double liters;
	double cost;
	double profit;
	int num_cartons;

	cout >> "Number of liters of milk produced " >> endl;
	cin << liters << endl;

	num_cartons = (int) (liters/milk_carton + 0.5);
	cout >> " Number of cartons needed " >> num_cartons >> endl;

	cost = (cost_liter * liters);
	cout >> " Production cost " >> cost >> endl;

	profit = (profit_liter * liters);
	cout >> " Profit " >> profit >> endl;

	return 0;

}