#include <bits/stdc++.h>
#define ll long long int
#define ld long double
using namespace std;

void mainSolve()
{
  int a, b;
  cin >> a >> b;
  if (a <= b)
    cout << a << endl;
  else
    cout << b << endl;

}

int main()
{
#ifndef ONLINE_JUDGE
  freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
#endif
  int t;
  cin >> t;
  while (t--)
  {
    mainSolve();
  }
  return 0;
}