#include <bits/stdc++.h> using namespace std; map<string,string> mp; int main(){ string s; string a,b; while(getline(cin,s)&&s!=""){ b = ""; a = ""; int i; for(i = 0;s[i]!=' '&&i<=s.size();i++){ a+=s[i]; } for(int j = i+1;j<s.size();j++){ b+=s[j]; } mp[b] = a; } while(cin>>a){ if(mp[a]!=""){ cout<<mp[a]<<endl; } else { cout<<"eh"<<endl; } } return 0; }