#include <boost/units/systems/si.hpp>
#include <boost/units/io.hpp>

using namespace boost::units;
using namespace std;

int main(){

	quantity<si::length> l = 100e3 * si::metres;
	quantity<si::time> t = 60*60 * si::seconds;
	quantity<si::velocity> v = l/t;
	//quantity<si::velocity> v = l*t;
	cout << v << endl;

	return 0;
 }