#include <iostream>
using namespace std;

/**
 * Compute miles per gallon.
 * @param miles the miles traveled.
 * @param gallons the gallons consumed.
 * @return the miles per gallon.
 */
double mpg(double miles, double gallons);

/**
 * Compute the measure of perfect goals.
 * @param goals the number of attempted goals.
 * @param misses the number of misses.
 * @return the measure.
 */
int mpg(int goals, int misses);

int main()
{
    cout << mpg(100, 3) << " miles per gallon" << endl;
    return 0;
}

double mpg(double miles, double gallons)
{
    return miles/gallons;
}

int mpg(int goals, int misses)
{
    return goals - misses;
}