#include<bits/stdc++.h>
#include<map>
#include<set>
#include<vector>
#include<stack>
#include<queue>
#include<deque>
#include<string.h>
#define pb(n) push_back(n)
unsigned long long mod=1000000007;
using namespace std;
#define GI ({int t;scanf("%d",&t);t;})
#define all(x) x.begin(),x.end()      //sort(all(x))
#define sz(h1) h1.size()
int main()
{
 
      int A,B,t;
      cin>>t;
      while(t--)
       {
       cin>>A>>B;
       int mini=max(A,B);
       int maxi=A+B;
       cout<<mini<<" "<<maxi<<endl;
     }
return 0;
}

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