#include<bits/stdc++.h>
using namespace std;
int main()
{
string a, b, t;
map<string, string>st;
while(getline(cin, t))
{
if(t == "")
break;
stringstream s(t);
s >> a >> b;
st[b] = a;
}
while(cin >> t)
{
if(!st[t].empty())
cout << st[t] << endl;
else
cout << "eh" << endl;
}
return 0;
}
using namespace std;
int main()
{
string a, b, t;
map<string, string>st;
while(getline(cin, t))
{
if(t == "")
break;
stringstream s(t);
s >> a >> b;
st[b] = a;
}
while(cin >> t)
{
if(!st[t].empty())
cout << st[t] << endl;
else
cout << "eh" << endl;
}
return 0;
}
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