#include <iostream>
#include <limits>
#include <cstdlib>
#include <iomanip>

using namespace std;

int main()
{
	int weight {10};
	cout << "Ever wonder what your weight in gold is worth?  Enter your weight in pounds.\n";
	cin >> weight;

	if (weight < 20) {
		cerr << "Sorry, this value is too low.\n";
			return EXIT_FAILURE;
		}
	
	if (weight > 1000) {
		cerr << "Please enter your human weight, on earth, in pounds.\n";
			return EXIT_FAILURE;
		}

	const double value{weight * 14.58 * 3645};
	
	cout << fixed << setprecision(2);

	cout << "Your weight in gold is worth around $"
		<< value << ", time to start digging!\n";

	return EXIT_SUCCESS;
}