#!/usr/bin/env ruby

def commandify(string)
  words = {}
  interpolation_buffer = []
  string.scan(/\w+/).each do |word|
    word.downcase!
    interpolation_buffer.push(word)
  end
  interpolation = (interpolation_buffer * '_')
  words[string] = "%<#{interpolation}>s"
  words
end

STDIN.each_line do |line|
  line = line.chomp!
  hash = commandify(line)
  hash.each do |k, v|
    puts "#{k} #{v}" 
  end
end