func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t, i, flag;     cin >> t;     while (t--) {       string s1, s2;       cin >> s1 >> s2;       flag = 0;       for (i = 0; i < s1.length(); i++) {         if (find(s2.begin(), s2.end(), s1[i]) == s2.end()) flag++;       }       if (flag == s1.length())         cout <<  NO  << endl;       else         cout <<  YES  << endl;     }     return 0;   }   