#include<iostream>
#include<string>
#include<map>
using namespace std;
int main(){
  string s;int cas=0;
  getline(cin,s);getline(cin,s);
  map<string,int>msi;int all=0;
  while(cin){
    getline(cin,s);
    if(!cin||s==""){if(cas++)cout<<endl;
      for(auto&si:msi){
        printf("%s %.4lf\n",si.first.data(),si.second*100./all);
      }
      msi.clear();all=0;continue;
    }
    msi[s]++;all++;
  }
  return 0;
}