import java.io.*;

    public class Q2
   {
       public static void main (String [] args) throws IOException
      {
         BufferedReader in = new BufferedReader (new FileReader ("DATA2.txt"));
         BufferedWriter out = new BufferedWriter (new FileWriter ("OUT2.txt"));
         for (int X = 0; X < 5; X++)
         {  
            String [] t = in.readLine ().split (" ");
            char C = t [1].charAt (0);
         
            char [] c = t [0].toCharArray ();
            int com;
            String v = "";
            while (c.length != 1)
            {
               com = 0;
               v = "";
               for (int x = 0; x < c.length; x++)
               {
                  com += c [x] - '0';
               }
               v = "" + com;
               c = v.toCharArray ();
            }
         
            int K = Integer.parseInt (v);
            char F = (char)('A' + K - 1);
         	
            if (F == C)
            {
               out.write ("match");
               out.newLine ();
            }
            else
            {
               out.write ("error");
               out.newLine ();
            }
         
         }
         out.close ();
      }
   }