#include <iostream>
#include <iomanip>
#include <fstream>
#include <sstream>

using namespace std;

int main(int argc, char* argv[])
{
  if ( argc != 2 )
  {
    cerr << "ERROR: usage: " << argv[0] << " filnamn" << endl;
    return 1;
  }
  
  ifstream grade_data(argv[1]);

  if ( ! grade_data )
  {
    cerr << "ERROR: could not open '" << argv[1] << "'" << endl;
    return 1;
  }

  cout << setprecision(2) << fixed;
  
  string product_name;
  while ( getline(grade_data, product_name, ';') )
  {
    double grade = 0.0;
    int votes = 0;
    int price = 0;
    string junk;
    grade_data >> price >> junk >> votes;

    if ( votes > 0 )
      grade_data >> grade;
    
    grade_data.ignore(1024, '\n');

    if ( votes > 3 )
    {
      double average = grade + (grade - 5)/votes;
      cout << setw(45) << left << product_name
           << setw(10) << right << price << ":-"
           << setw(6) << votes
           << setw(8) << grade
           << setw(8) << average
           << endl;
    }
  }
  
  return 0;
}