Translit

require 'translit_net'

puts 'Введите фразу для транслитерации: '

phrase = STDIN.gets.chomp
phrase_lat = phrase.translit({from: 'ru', to: 'en'})

if phrase == phrase_lat
  puts phrase.translit({from: 'en', to: 'ru'})
else
  puts phrase_lat
end