#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# IR code decoder for NEC format

line = ARGF.read

ar = line.split(",")

while true do
  v = ar.slice(0, 2)

  break if v == nil || v.length != 2

  v[0] = v[0].to_i
  v[1] = v[1].to_i

  if 800 < v[0]
    # Leader (start of new frame)
    str = ""

  elsif 300 < v[1]
    # Trailer
    puts str if 0 < str.length
    if str.length == 32
      c0 = "%02X" % str.slice(0, 8).reverse.to_i(2)
      c1 = "%02X" % str.slice(8, 8).reverse.to_i(2)
      d0 = "%02X" % str.slice(16, 8).reverse.to_i(2)
      d1 = "%02X" % str.slice(24, 8).reverse.to_i(2)
      puts "#{c0} #{c1} #{d0} "
    end

    str = ""
  else
    if v[0] * 2 < v[1]
      str = str + "1"
    else
      str = str + "0"
    end
  end

  ar = ar.slice(2, ar.length)
end