#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")
#define  _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <vector>
#include <stack>
#include <algorithm>
#define endl '\n';
using namespace std;

int n;
string s,s1;
vector<string> dp[100];
vector <pair <string, string> > alph;
int main()
{
#ifdef _DEBUG
	//freopen("input.txt", "r", stdin);
#else
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
#endif
	cin >> n;
	alph.resize(n);
	for (long long i = 0; i < n; i++) {
		cin >> alph[i].first >> alph[i].second;
	}
	cin >> s;
	dp[0].push_back("");

	for (int i = 0; i < s.size(); i++) {
		if (!dp[i].empty()) {
			for (int j = 0; j < n; j++) {
				s1 = alph[j].first;

				if (s1.size() + i <= s.size()) {
					bool z = true;
					for (int j1 = i; j1 < i + s1.size(); j1++) {
						if (s[j1] != s1[j1 - i]) {
							z = false;
							break;
						}
					}
					if (z) {
						dp[i + s1.size()].push_back(dp[i][0] + alph[j].second);
					}
				}
			}
		}
	}
	if (dp[s.size()].empty()) {
		cout << "NO ANSWER";
	}
	else {
		cout << dp[s.size()][0];
	}
}