import java.io.*;
import java.util.*;
import java.util.regex.Pattern;
import java.util.regex.Matcher;

public class Solution {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        Pattern pattern = Pattern.compile("[A-Z]{5}\\d{4}[A-Z]");
        int n = Integer.valueOf(scanner.nextLine());
        for (int i = 0; i < n; i++) {
            Matcher matcher = pattern.matcher(scanner.nextLine());
            String result = (matcher.find())? "YES" : "NO";
            System.out.println(result);
        }
    }
}