#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <complex>

#ifndef M_PI
#define M_PI (3.14159265358979324)
#endif

using namespace std;

int main(void)
{
	ifstream cin("polygon.in");

	int n;

	bool blankline = false;

	while(cin >> n) {
		vector<double> x(n), y(n);
		vector<double> phi(n);

		for(int i = 0; i < n; i++) cin >> x[i] >> y[i];
		for(int i = 0; i < n; i++) cin >> phi[i];

		vector< vector< complex<double> > > a(n, vector< complex<double> >(n, 0));
		vector< complex<double> > b(n);

		for(int i = 0; i < n; i++) {
			int j = (i + 1) % n;
			complex<double> e = polar(1.0, -phi[i] * M_PI / 180.0);
			a[i][i] = 1.0;
			a[i][j] = -e;

			b[i] = (1.0 - e) * complex<double>(x[i], y[i]);
		}

		for(int i = 0; i < n; i++) {
			complex<double> aii = a[i][i];
			for(int j = 0; j < n; j++) a[i][j] /= aii;
			b[i] /= aii;

			for(int k = 0; k < n; k++) {
				if(k != i) {
					complex<double> aki = a[k][i];
					for(int j = 0; j < n; j++) a[k][j] -= aki * a[i][j];
					b[k] -= aki * b[i];
				}
			}
		}

		if(blankline) cout << endl;
		blankline = true;

		for(int i = 0; i < n; i++) {
			cout << setprecision(2) << fixed
				 << real(b[i]) << " " << imag(b[i]) << endl;
		}
	}

	return 0;
}