include[HTML_REMOVED]

using namespace std;
int gcd(int a,int b,int &x,int &y){
if(!b){
x=1,y=0;
return a;
}
int d=gcd(b,a%b,y,x);
y-=a/b*x;
return d;
}
int main(){
int n;
cin>>n;
while(n–){
int a,b;
int x=0,y=0;
cin>>a>>b;
gcd(a,b,x,y);
cout<<x<<” “<<y<<endl;

}
return 0;

}