#include "bits/stdc++.h"
using namespace std;
#define int long long
#define rep(i, n) for (int i = 0; i < n; i++)
#define rep1(j, n) for (int j = 0; j < n; j++)
#define rep2(t, n) for (int t = 0; t < n; t++)
signed main() {
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  int n = a * c + -1 * b * d;
  int m = b * c + a * d;
  cout << n << " " << m << endl;
}