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



  double transportationFootprint(double kmPerDay, double fuelEfficiency)
	{

	  double litresUsedPerYear = 365 * (kmPerDay / fuelEfficiency);
    double kgCO2 = (2.3 * litresUsedPerYear);
    return kgCO2;
	}

	double electricityFootprint(double kWhPerMonth, int numPeopleInHome)
	{
		double kgCO2 = (kWhPerMonth * 12 * 0.257) / numPeopleInHome;
    return kgCO2;
	}

	double foodFootprint(double meat, double dairy, double fruitVeggies, double carbs)
    {
      double kgCO2;
      double meat_kgCO2 = meat * 53.1;
      double dairy_kgCO2 = dairy * 13.8;
      double fruitVeggies_kgCO2 = fruitVeggies * 7.6;
      double carbs_kgCO2 = carbs * 3.1;
      kgCO2 = meat_kgCO2 + dairy_kgCO2 + fruitVeggies_kgCO2 + carbs_kgCO2;
      return kgCO2;
    }

	double totalFootprint(double transportation, double electricity, double food)
    {
      double kgCO2;
      double tCO2 = (transportation + electricity + food) / 1000;
      kgCO2 = tCO2;
      return kgCO2;
    }


int main ()
{
    std::cout << std::fixed;
    std::cout << std::setprecision(2);

    double kmPerDay1;
    double fuelEfficiency1;
    double transportationFootprint1;

    double kWhPerMonth1;
    int numPeopleInHome1;
    double electricityFootprint1;

    double meat_kgCO2;
    double dairy_kgCO2;
    double fruitVeggies_kgCO2;
    double carbs_kgCO2;
    double foodFootprint1;


    double totalFootprint1;



    cout << "How many km do you drive in one day? ";
    cin >> kmPerDay1;
    cout << "What is the fuel efficiency rating of your car? ";
    cin >> fuelEfficiency1;
    transportationFootprint1 = transportationFootprint(kmPerDay1,fuelEfficiency1);
    cout << "Your Carbon footprint with respect to care use is " << transportationFootprint1 << "kg/year" << endl;

    cout << "What is the average electricity consumption per month, in kilowatts? ";
    cin >> kWhPerMonth1;
    cout << "How many people live in the house? ";
    cin >> numPeopleInHome1;

    electricityFootprint1 = electricityFootprint(kWhPerMonth1, numPeopleInHome1);

    cout << "Your Carbon footprint with respect to electricity use is " << electricityFootprint1 << "kg/year" << endl;

    cout << "Of all the food you eat, what percent consists of meat or fish? ";
    cin >> meat_kgCO2;
    cout << "Of all the food you eat, what percent consists of dairy products ";
    cin >> dairy1;
    cout << "Of all the food you eat, what percent consists of fruit and vegetables? ";
    cin >> fruitVeggies_kgCO2;
    cout << "Of all the food you eat, what percent consists of carbohydrates? ";
    cin >> carbs_kgCO2 >> endl;

    foodFootprint1 = foodFootprint(meat_kgCO2, dairy_kgCO2, fruitVeggies_kgCO2, carbs_kgCO2);

    cout << "Your Carbon footprint with respect to food consumption is " << foodFootprint1 << "kg/year" << endl;

    totalFootprint1 = totalFootprint(transportationFootprint1, electricityFootprint1, foodFootprint1);

    cout << "Your produce an annual total of " << totalFootprint1 << " metric tons of CO2 per year." << endl << "All done!";

    return 0;
}