#include <regex>
#include <iostream>
#include <string>
 
using namespace std;
 
void process(string inp);
 
int main() {
 
    string inp;
    char c;
    int test;
    cin>>test;
    cin.ignore();
    while(test--)
    {
        getline(cin,inp);
        cout<<inp<<endl;
        process(inp);
    }
    return 0;
}
 
void process(string inp)
{
    string panex= "[A-Za-z]{5}\\d{4}[A-Za-z]{1}";
    regex panreg(panex,regex_constants::basic);
 
    if(regex_match(inp,panreg))
    {
        cout<<"YES"<<endl;
    }
    else
    {
        cout<<"NO"<<endl;
    }
}

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