#include<bits/stdc++.h> using namespace std; map<string,string>m; map<string,bool>mm; string s1,s2; int main(){ while(getline(cin,s1)){ if(s1.size()==0) break; s2=s1.substr(s1.find(" ")+1,s1.size()-s1.find(" ")-1); s1=s1.substr(0,s1.find(" ")+1); m[s2]=s1,mm[s2]=1; } while(cin>>s1){ if(!mm[s1]) cout<<"eh\n"; else cout<<m[s1]<<"\n"; } return 0; }