#!/usr/bin/env ruby

input = (ARGV.first.nil? ? DATA : ARGF)
  .readlines(chomp: true)

towels = input.first.split(", ")
designs = input[2..]

p towels
p designs

__END__
r, wr, b, g, bwu, rb, gb, br

brwrr
bggr
gbbr
rrbgbr
ubwu
bwurrg
brgr
bbrgwb