#include<bits/stdc++.h>
#include "testlib.h"
using namespace std;

using ll = long long;

const int MAX_T=1000,MIN_T=1;
const ll MAX_N=1'000'000'000'000'000'000,MIN_N=1;
const ll MAX_A=1'000'000'000'000'000'000,MIN_A=1;

int main(int argc,char** argv){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  registerValidation(argc,argv);
  int T=inf.readInt(MIN_T,MAX_T);
  inf.readEoln();
  for(int i=0;i<T;i++){
    inf.readLong(MIN_N,MAX_N);
    inf.readSpace();
    inf.readLong(MIN_A,MAX_A);
    inf.readEoln();
  }
  inf.readEof();
}