#!/usr/bin/env ruby


muki = ["グー" , "チョキ" , "パー" ]

print("じゃんけんしよう\n")
sleep(2)

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

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