import java.awt.*;
import java.io.*;
import java.util.*;

public class Problem2
{
    public static void main (String[] args) throws IOException
    {
	BufferedReader in = new BufferedReader (new FileReader ("data2.txt"));
	PrintWriter out = new PrintWriter (new FileWriter ("out2.txt"));

	String alphabet = " ABCDEFGHIJKLMNOPQRSTUVWXYZ";

	for (int index = 5 ; index > 0 ; index--)
	{
	    StringTokenizer line = new StringTokenizer (in.readLine ());
	    int value = Integer.parseInt (line.nextToken ());
	    int total = 0;
	    String check = (line.nextToken ());
	    while (value > 0)
	    {
		total += value % 10;
		value = value / 10;
	    }
	    while (total > 0)
	    {
		value += total % 10;
		total = total / 10;
	    }
	    System.out.println (value);
	    if (value == alphabet.indexOf (check))
		out.println ("match");
	    else
		out.println ("error");
	}
	out.close ();
    } // main method
} // Problem1 class