#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

puts "誕生月を入れてね!"
puts "1:1月"
puts "2:2月"
puts "3:3月"
puts "4:4月"
puts "5:5月"
puts "6:6月"
puts "7:7月"
puts "8:8月"
puts "9:9月"
puts "10:10月"
puts "11:11月"
puts "12:12月"


while true
  print "答えを入力:"
  kotae = gets.chomp.to_i
  if kotae == 1
    puts "ガーネット"
    break
  elsif kotae == 2
    puts "アメジスト"
    break
  elsif kotae == 3
    puts "アクアマリン"
    break
  elsif kotae == 4
    puts "ダイヤモンド"
    break
  elsif kotae == 5
    puts "エメラルド"
    break
  elsif kotae == 6
    puts "真珠"
    break
  elsif kotae == 7
    puts "ルビー"
    break
  elsif kotae == 8
    puts "ペリドット"
    break
  elsif kotae == 9
    puts "サファイア"
    break
  elsif kotae == 10
    puts "オパール"
    break
  elsif kotae == 11
    puts "トパーズ"
    break
  elsif kotae == 12
    puts "トルコ石"
    redo
  end
end