#include <iostream>
using namespace std;
#include <boost/program_options.hpp>
namespace po = boost::program_options;

int main(int argc, char **argv)
{
  po::options_description desc("Options");
  desc.add_options()
    ("help", "this help screen")
    ("foo-1", po::value<int>(), "foo")
    ("bar-2", po::value<int>(), "bar")
    ;
  po::variables_map vm;
  po::store(po::parse_command_line(argc, argv, desc), vm);
  po::notify(vm);    
  if (vm.count("help")) {
    cout << desc << "\n";
    return 0;
  }
  cout << "count(foo-1)=" << vm.count("foo-1") << '\n'
       << "count(1)=" << vm.count("1") << '\n'
       << "count(bar-2)=" << vm.count("bar-2") << '\n';
  return 0;
}