#!/usr/koeki/bin/ruby
# coding: utf-8

point = Hash.new
sum = 0

while yline = gets
  if /(\S+)\s+(\d+)/ =~ yline
    point[$1] = $2.to_i
    sum += point[$1]
  end
end
average = sum.to_f/point.length

print "--氏名--------------+-得点-+-平均との差--\n"
for student, pt in point
  printf("%-20s %5d   %5.1f\n", student, pt, pt-average)
end