#include <iostream>

#include <boost/program_options.hpp>
namespace po = boost::program_options;
int main(int ac, char** av)
{
	using namespace std;
//locale::global(locale(""));
// Declare the supported options.
po::options_description desc("Allowed options");
desc.add_options()
    ("help", "produce help message")
    ("compression", po::value<int>(), "set compression level")
;

po::variables_map vm;
po::store(po::parse_command_line(ac, av, desc), vm);
po::notify(vm);

if (vm.count("help")) {
	cout << desc << "\n";
    return 1;
}

if (vm.count("compression")) {
    cout << "Compression level was set to "
 << vm["compression"].as<int>() << ".\n";
} else {
    cout << "Compression level was not set.\n";
}
}