#include "Class.cpp"
int main(){
  freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
  Polynom <int> q(3);
  Polynom <int> m(3);
  for(int i = 0; i < 4; i++){
     int x;
    cin >> x;
    q.koef[i] = x;
  }

  for(int i = 0; i < 4; i++){
     int x;
    cin >> x;
    m.koef[i] = x;
  }
  Polynom <int> r(3);
  Polynom <int> s(3);
  s = q - m;
  r = q + m;
  r.print();
  cout << endl;
  s.print();
  cout << endl;
  cout << q.sum();
  cout << q;
}