#include<iostream>
#include<sstream>
#include<map>
using namespace std;
int main()
{
map<string,string>M;
string a,b,buff;
while(getline(cin,buff),buff.size())
{
stringstream ss;
ss<<buff;
ss>>a>>b;
M[b]=a;
}
while(cin>>buff)
{
cout<<(M.count(buff) ?M[buff] : "eh")<<endl;
}
}
