#include <string>
#include <iostream>
#include <cassert>
#include <sstream>
#include <iterator>
#include <algorithm>
#include <limits>
#include <vector>

struct FirstLine
{
    double x, y, z;
    friend std::istream & operator>>(std::istream & is, FirstLine & data)
    {
        std::string line, ignore;
        std::getline(is, line);
        std::istringstream iss(line);
        iss >> ignore >> data.x >> data.y >> data.z;
        assert(ignore == "P" && iss);
        
        return is;
    }
    friend std::ostream & operator<<(std::ostream & os, FirstLine const & data)
    {
        return os << "P " << data.x << " " << data.y << " " << data.z;
    }    
};

struct MiddleLine
{
    double x, y;
    friend std::istream & operator>>(std::istream & is, MiddleLine & data)
    {
        std::string line;
        std::getline(is, line);
        if(line == "T")
            is.clear(std::ios::failbit);
        else
        {
            int n = sscanf(line.c_str(), "%lf %lf", &data.x, &data.y);
            assert(n == 2);
        }
        return is;
    }
    friend std::ostream & operator<<(std::ostream & os, MiddleLine const & data)
    {
        return os << data.x << " " << data.y;
    }    
};

struct LastLine
{
    std::string identifier; // r, s or t
    std::vector<double> values;
    friend std::istream & operator>>(std::istream & is, LastLine & data)
    {
        std::string line;
        std::getline(is, line);
        std::istringstream iss(line);
        iss >> data.identifier;
        assert(data.identifier == "r" || data.identifier == "s" 
               || data.identifier == "t");
        std::copy(std::istream_iterator<double>(iss), 
                  std::istream_iterator<double>(), std::back_inserter(data.values));
        return is;
    }
    friend std::ostream & operator<<(std::ostream & os, LastLine const & data)
    {
        os << data.identifier << " ";
        std::copy(data.values.begin(), data.values.end(),
                  std::ostream_iterator<double>(os, " "));
        return os;
    }      
};

int main()
{
    std::string const data = "P 0.5 0.6 0.3\n"
                             "30 300\n"
                             "80 150\n"
                             "160 400\n"
                             "200 150\n"
                             "250 300\n"
                             "T\n"
                             "r  45 0 0\n"
                             "s 0.5 1.5 0 0\n"
                             "t 200 –150";

    std::istringstream iss(data);
    
    FirstLine first_line;
    iss >> first_line;
    
    std::vector<MiddleLine> middle_lines;
    std::copy(std::istream_iterator<MiddleLine>(iss), 
              std::istream_iterator<MiddleLine>(), 
              std::back_inserter(middle_lines));
    iss.clear();

    std::vector<LastLine> last_lines;
    std::copy(std::istream_iterator<LastLine>(iss), 
              std::istream_iterator<LastLine>(), 
              std::back_inserter(last_lines));
    assert(iss.eof());       
    
    std::cout << first_line << "\n";
    std::copy(middle_lines.begin(), middle_lines.end(),
              std::ostream_iterator<MiddleLine>(std::cout, "\n"));
    std::copy(last_lines.begin(), last_lines.end(),
              std::ostream_iterator<LastLine>(std::cout, "\n"));
    return 0;
}

P 0.5 0.6 0.3
30 300
80 150
160 400
200 150
250 300
r 45 0 0 
s 45 0 0 0.5 1.5 0 0 
t 45 0 0 0.5 1.5 0 0 200