# calculate weighted student grades according to the formula
#    avg = 0.2 * homework + 0.3 * midterm + 0.5 * final
# assume there may be multiple homework assignments and midterms, but
# only one final. Input is of the form:
# 
# name, assessmentType, score
# 
# where assessmentType is one of hw, midterm, or final
import sys
import re
from operator import itemgetter

class student:
  def __init__(self):
    self.grades = {}
    self.grades['hw'] = []
    self.grades['midterm'] = []
    self.grades['final'] = []
  def getWeightedAvg(self):
    hw = self.grades['hw']
    midterm = self.grades['midterm']
    # sum sums a list of integers
    hwAvg = sum(hw)/len(hw)
    midtermAvg = sum(midterm)/ len(midterm)
    final = self.grades['final'][0]
    return 0.2*hwAvg + 0.3*midtermAvg + 0.5*final
  def __lt__(self, obj):
    return self.getWeightedAvg() < obj.getWeightedAvg()

fileHandle = open(sys.argv[1])

lines = fileHandle.readlines()

students = {}

for line in lines:
  line = line.strip()  # get rid of newline characters
  (name, assessType, score) = re.split("\s*,\s*", line)
  if (name not in students):
    students[name] = student()
  students[name].grades[assessType].append(int(score))

for (name,s) in sorted(students.items(), key=itemgetter(1), reverse=True):
  print("{0} {1:.2f}".format(name, s.getWeightedAvg()))