#include <bits/stdc++.h>
#pragma warning(disable : 4786)
#pragma warning(disable : 4996)
template <class T>
inline T bigmod(T p, T e, T M) {
  long long ret = 1LL;
  for (; e > 0LL; e >>= 1LL) {
    if (e & 1LL) ret = (ret * p) % M;
    p = (p * p) % M;
  }
  return (T)ret;
}
template <class T>
inline T modinverse(T a, T M) {
  return bigmod(a, M - 2, M);
}
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int q;
  cin >> q;
  while (q--) {
    string s;
    string t;
    cin >> s;
    cin >> t;
    int flag = 0;
    for (int i = 0; i < s.size(); i++) {
      for (int j = 0; j < t.size(); j++) {
        if (s[i] == t[j]) {
          flag = 1;
          break;
        }
      }
      if (flag == 1) break;
    }
    if (flag == 1)
      cout << "YES" << endl;
    else
      cout << "NO" << endl;
  }
}
