//GNC
#include<iostream>
#include<fstream>
#include<vector>
#include<complex>
#include<cmath>
#include<iomanip>

using namespace std;

typedef complex<double> xy;
typedef vector<xy> array;
typedef vector<array> matrix;

array gauss_elim(matrix &m)
{
  int N = m.size();

  for(int i = 0; i < N; ++i){
    xy pivot = m[i][i];
    for(int j = i; j < N+1; ++j)
      m[i][j] /= pivot;
    for(int j = i + 1; j < N; ++j){
      xy multip = m[j][i];
      for(int k = i; k < N+1; ++k)
	m[j][k] -= multip * m[i][k];
    }
  }
  /*
  for(int i = 0; i < N; ++i){
    for(int j = 0; j < N+1; ++j){
      cout << m[i][j] << " ";
    }
    cout << endl;
    }
  */

  for(int i = N - 1; i >= 0; --i)
    for(int j = i - 1; j >= 0; --j)
      m[j][N] -= m[i][N] * m[j][i];

  array ret(N);
  for(int i = 0; i < N; ++i){
    ret[i] = m[i][N];
  }
  return ret;
}

int main(void)
{
  int N; 
  bool first = true;
  ifstream cin("polygon.in");
  cout.setf(ios::fixed);

  while(cin >> N){
    if(!first) cout << endl;
    first = false;
    array m;
    for(int i = 0; i < N; ++i){
      double x, y ;
      cin >> x >> y;
      m.push_back(xy(x, y));
    }
    array rot;
    for(int i = 0; i < N; ++i){
      double deg;
      cin >> deg;
      rot.push_back(polar(1., deg*2* M_PI / 360.));
    }

    matrix mat(N, array(N+1, xy()));
    for(int i = 0; i < N; ++i){
      mat[i][i] = rot[i];
      mat[i][(i+1)%N] = xy(-1.);
      mat[i][N] = m[i] * rot[i] - m[i];
    }
    
    array res = gauss_elim(mat);
    for(int i = 0; i < N; ++i){
      cout << setprecision(2);
      cout << mat[i][N].real() << " " 
	   << mat[i][N].imag() << endl;
    }
  }
  return 0;
}