#!/usr/koeki/bin/ruby

STDERR.print "出発 : "
start = STDIN.gets.chomp
stop1 = Regexp.new(start, true, "e")
STDERR.print "目的 : "
goal = STDIN.gets.chomp
stop2 = Regexp.new(goal, true, "e")

while station = gets
  if stop1 =~ station
    if /(\S+)\s+(\d+)/ =~ station
      station1 = $1
      length1 = $2.to_i
    end
  end
  if stop2 =~ station
    if /(\S+)\s+(\d+)/ =~ station
      station2 = $1
      length2 = $2.to_i
    end
  end
end

length = length1 - length2
if length < 0 
  length = -1 * length
end

price = 100 + length * 20

printf("%s -- %s : 大人 %d 円\n",station1, station2, price)