/*
入力 validation。WA なら OK。
*/

#include "testlib.h"
#include<bits/stdc++.h>
using namespace std;

using ll = long long;
const ll Tmin = 1, Tmax = 3000;
const ll Pmin = 1, Pmax =   999'999'999;
const ll Qmin = 2, Qmax = 1'000'000'000;

int main(){
	registerValidation();
    ll T = inf.readLong(Tmin,Tmax,"T");
    inf.readEoln();
    for (ll t = 0; t < T; t++){
        ll p1 = inf.readLong(Pmin,Pmax,"p1");
        inf.readSpace();
        ll q1 = inf.readLong(p1+1,Qmax,"q1");
        inf.readSpace();
        ll p2 = inf.readLong(Pmin,Pmax,"p2");
        inf.readSpace();
        ll q2 = inf.readLong(p2+1,Qmax,"q2");
        inf.readEoln();
        assert(gcd(p1,q1) == 1LL);
        assert(gcd(p2,q2) == 1LL);
    }
	inf.readEof();
	return 0;
}