#include<bits/stdc++.h>
#define ll long long
using namespace std;
map<string, string> dct;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
string s;
while(getline(cin, s)){
if(s == "") break;
ll tmp = s.find(" ");
string k;
for(int i=tmp+1; i<s.length(); i++) k += s[i];
s.erase(tmp);
dct[k] = s;
}
while(cin >> s){
if(s == "0") break;
if(dct.find(s) == dct.end()) cout << "eh" << endl;
else cout << dct[s] << endl;
}
}
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