#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define mp make_pair
typedef long long ll;
const int N=2e5+5;
const int mod=1e9+7;
const int inf=0x3f3f3f3f;
const ll INF=1e18+3;
#define DEBUG 
#ifdef DEBUG
#define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x)
#else
#define debug(...) {}
#endif
//debug(n,m);debug("a,b");
//double max:0x7f,0x43 min:0xfe 0x c2  int:0x3f 
//运算符 priority  后缀 前缀 */+- 位移 比较 &^| && || 赋值

void solve()
{
    int n,m;
    cin>>n>>m;
    if(n==m){
      cout<<n<<" "<<m<<"\n";
      return;
    }
    n-=m;
    cout<<m<<" "<<m-n*m/(n+1)<<"\n";
    
    return;
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  #if 1
        int T; cin>>T; while(T--) solve();
    #else 
        solve();
    #endif 
  return 0; 
}