#include<iostream>
#include<cstdlib>
#include<fstream>
#include<cmath>

using namespace std;

int main(int nargs, char* args[])
{
    ofstream out("penta.ps");
    out << "%!PS\n"
           "72 8.5 2 div mul\n" 
           "72 11  2 div mul\n"
           "translate\n"
           "72 2.54 div dup scale\n"
           "0.01 setlinewidth\n";

    double radio= 5;
    out << radio*cos(0) << " " << radio*sin(0) << " moveto\n";
    for (int k=1; k<=5; k++)
        out << radio* cos(4.0*k*M_PI/5.0) << " " 
            << radio* sin(4.0*k*M_PI/5.0) << " lineto\n";

    out << "stroke\n"
           "showpage\n";
    out.close(); 
}