#include "RPN.hpp"

int main(int ac, char **av)
{
	if (ac == 2)
	{
		try
		{
			rpn(av[1]);
		}
		catch(std::exception &e)
		{
			std::cerr << e.what() << std::endl;
		}
	}
	else
	{
		std::cerr << "Error: wrong usage." << std::endl;
	}
}