#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("DATA2.txt");
ofstream fout("OUT2.txt");

int n;
char s;

int sum(int n)
{
	int ans = 0;
	while (n)
	{
		ans += n % 10;
		n /= 10;
	}
	return ans;
}

int digits(int n)
{
	int ans = 0;
	if (n == 0)
		return 1;

	while (n)
	{
		ans++;
		n /= 10;
	}
	return ans;
}

void work()
{
	while (digits(n) > 1)
		n = sum(n);

	if (s - 'A' + 1 == n)
		fout << "match" << endl;
	else
		fout << "error" << endl;
}

int main()
{
	int t = 5;
	while (t--)
	{
		fin >> n >> s;
		work();
	}

	return 0;
}