//Full Metal Compiler
#include <fstream>
#include <algorithm>
#include <sstream>
#include <cstdlib>
#include <cstring>
#include <string>
#include <deque>
#include <set>
#include <list>
#include <cmath>
#include <map>
using namespace std;

int main() {
	ifstream fin("data2.txt");
	ofstream fout("out2.txt");

	int sd,num,n=5;
	char let;
	while (n--) {
		fin >> num >> let;
		sd=200000;
		while (sd/10) {			
			sd=0;
			while (num) {
				sd+=num%10;
				num/=10;
			}
			num=sd;
		}
		if (let-64==sd)
			fout << "match\n";
		else fout << "error\n";
	}

	fin.close();
	fout.close();
	return 0;
}