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

puts "数字で選んでね!"
puts "1:タイマーを使う"
puts "2:ストップウォッチを使う"
puts "0:終わる"

while true
  print "数字を入力:"
  dosuru = gets.chomp.to_i
  if dosuru == 1
    puts "120秒までだよ"
    sleep(1)
    puts "3"
    sleep(1)
    puts "2"
    sleep(1)
    puts "1"
    sleep(1)
    puts "スタート"
    jikan = 0
    
    while jikan < 120
      sleep(5)
      jikan = jikan + 5
      printf("%d秒 \n", jikan)
    end
    puts "120秒たったよ。"
  end
  if dosuru == 2
    puts "何秒?"
    nanbyo = gets.chomp.to_i

    while nanbyo > 0
      sleep(1)
      nanbyo = nanbyo - 1
    end

    puts "終了!!"
  end
  if dosuru == 0
    puts "おしまい"
    break
  end
end