C++ :

#include <cstdio>
#include <algorithm>
#include <iostream>
#include <fstream>
using namespace std;

int gcd(int a,int b){
    if(b==0) return a;
    else return gcd(b,a%b);
}
int main(){
    int a,b,x,y,g;
//    ifstream cin;
//    ofstream cout;
//    cin.open("h.in");
//    cout.open("h.out");
    int testcase;
    cin>>testcase;
    while(testcase--)
    {
    cin>>a>>b>>x>>y;
    g=gcd(x,y);
    x/=g;
    y/=g;
    g=std::min(a/x,b/y);
    cout<<x*g<<" "<<y*g<<endl;
	}
   return 0;
}