#!/usr/bin/env ruby

boke = ["グー", "チョキ", "パー"]

print("最初はグー\n")
sleep(1)

puts "じゃん"
sleep(1)
puts "けん"
sleep(1)
puts "ぽん"
sleep(1)

printf("1%s\n2.%s\n3.%s\n",boke[0],boke[1],boke[2])
zibun=gets.to_i-1

srand
erabu = rand(3)
printf("%s\n", boke[erabu])