#include<bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define forp(i,l,r) for (int i = (l); i < (r); i ++)
#define forp1(j,l,r) for (int j = (l); j < (r); j ++)
#define form(i,l,r) for (int i = (r); i >= (l); i --)
#define form1(j,l,r) for (int j = (r); j >= (l); j --)
#define minset(x) (*((x).begin()))
#define pii pair<int, int>
#define pll pair<long long, long long>
#define setp cout << fixed << setprecision(15)
#define all(x) (x).begin(), (x).end()
#define IOS ios::sync_with_stdio(false)
typedef long long ll;
using namespace std;
const int MAX_N = 1e3 + 13, MOD = 1e9 + 7, inf = 1e9 + 19;
ll INF = 1e18 + 118;
int main()
{
IOS;
cin.tie(0);
int t;
cin >> t;
while (t --) {
int g, h;
cin >> g >> h;
cout << g << ' ' << g * h << '\n';
}
return 0;
}
