#include <bits/stdc++.h> #define int long long using namespace std; map<string,string> mp; string s; signed main() { while (true) { getline(cin,s); if (s == "") break; int pos = s.find(' '); mp[s.substr(pos + 1)] = s.substr(0,pos); } while (cin >> s) cout << (mp.count(s)?mp[s]:"eh") << '\n'; return 0; }