#include <boost/tuple/tuple.hpp>
#include <boost/tuple/tuple_io.hpp>
#include <boost/lexical_cast.hpp>
#include <string>

int main()
{
    typedef boost::tuple<int,int> point;
    std::string s = "(1 2)";
    point p = boost::lexical_cast<point>(s);
    return 0;
}