#!/usr/bin/env ruby

STDIN.each_line do |line|
  puts line.chomp.
    gsub(/\e\[\d+m/, '').
    gsub(/\e\[\d+;\d+m/, '').
    gsub(/\e\[\d+;\d+;\d+m/, '').
    gsub(/\e\[\d+;\d+;\d+;\d+m/, '')
end