include

include

using namespace std;

int main() { int p; cin >> p;

while(p--)
{
    string s1,s2;
    cin >> s1 >> s2;
    bool flag = false;
    for(int i=0;i<s1.length();i++)
    {
        char c =s1[i];
        if(s2.find(c)!=string::npos)
        {
            flag=true;
            break;
        }
    }
    if(flag)
    cout << "YES" << endl;
    else
    cout << "NO" << endl;
}
return 0;

}