// The "Checksum" class.
import java.awt.*;
import hsa.Console;
import java.io.*;

public class Checksum
{
    static Console c;           // The output console
    
    public static void main (String[] args)
    {
	c = new Console ();
	int linenumber=0;
	for (linenumber==0;linenumber<6;linenumber++)
	try
	{
	Filein = new FileInputStream ("DATA2.txt");
	Fileout = new FileOutputStream ("OUT1.txt");
	Fout = new BufferedWriter (new FileWriter (Fileout));
	c.println (new DataInputStream (Fin).readLine (linenumber));
	int n1,n2,n3,n4,n5,n6;
	int total=n1+n2+n3+n4+n5+n6;
	int totaldigit1,totaldigit2;
	int singledigit=totaldigit1+totaldigit2;
	char letter;
	if (singledigit=1){letter='A');
	if (singledigit=2){letter='B');
	if (singledigit=3){letter='C');
	if (singledigit=4){letter='D');
	if (singledigit=5){letter='E');
	if (singledigit=6){letter='F');
	if (singledigit=7){letter='G');
	if (singledigit=8){letter='H');
	if (singledigit=9){letter='I');
	char SampleInputLetter;
	if (SampleInputLetter==letter)
	{
	Fout.write("match");
	Fout.NewLine();
	}
	else 
	{
	Fout.write("error");
	Fout.NewLine();
	}
	// Place your program here.  'c' is the output console
    } // main method
} // Checksum class