#include <map> #include <string> #include <iostream> using namespace std; int main() { int n1; while (cin>>n1) { map<string,int> m1; string tmp; while (n1-->0) { cin>>tmp; ++m1[tmp]; } for(auto iter=m1.begin();iter!=m1.end();) { cout<<iter->first<<endl; --(iter->second); if(iter->second==0) ++iter; } } return 0; }