#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
ll k, l, m, n;
int main() {
  int t;
  scanf("%d", &t);
  while(t--) {
    scanf("%lld%lld%lld%lld", &k, &l, &m, &n);
    ll a = k, b = l;
    ll s1 = m, s2 = n;
    double f = sqrt(s2) / sqrt(s1);
    cout << fixed << setprecision(10) << a*f-b << " " << b*f-a << endl;
  }
  return 0;
}