#include <bits/stdc++.h>
using namespace std;
#define sp << " " <<
#define int long long
#define vi vector<int>
#define pb push_back
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
int f(int a,int b) {
if (a<b) swap(a,b);
if (b == 1) return a;
return f(a/b,b);
}
void solve() {
int a,b;
cin >> a >> b;
for (int i=1;1;i++) {
int x = a*i;
int y = a*b*i+a;
if (__gcd(x,y) == a && f(x,y) == b) {
cout << x sp y << endl;
return;
}
}
}
signed main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t = 1;
cin >> t;
while (t --> 0) solve();
}
