class ColoredIO

def initialize(io)
  @io = io
end

def print(o)
  case o
  when "." then @io.send(:print, o.green)
  when "E" then @io.send(:print, o.red)
  when "F" then @io.send(:print, o.yellow)
  when "S" then @io.send(:print, o.magenta)
  else @io.send(:print, o)
  end
end

def puts(*o)
  super
end