#include <bits/stdc++.h>   using namespace std;   double xx[10], yy[10];   int main() {     double px, py, vx, vy, a, b, c, d;     cin >> px >> py >> vx >> vy >> a >> b >> c >> d;     double x = vx / sqrt(vx * vx + vy * vy);     double y = vy / sqrt(vx * vx + vy * vy);     xx[1] = b * x + px;     yy[1] = b * y + py;     xx[2] = px - (y * a / 2);     yy[2] = py + (x * a / 2);     xx[3] = px - (y * c / 2);     yy[3] = py + (x * c / 2);     xx[4] = xx[3] - (d * x);     yy[4] = yy[3] - (d * y);     xx[6] = px + (y * c / 2);     yy[6] = py - (x * c / 2);     xx[5] = xx[6] - (x * d);     yy[5] = yy[6] - (d * y);     xx[7] = px + (y * a / 2);     yy[7] = py - (x * a / 2);     cout.precision(20);     for (int i = 1; i <= 7; i++) cout << xx[i] <<     << yy[i] << endl;     return 0;   }   