#!/usr/bin/env ruby

kazu = [7,77,777,7777,77777,777777,7777777,77777777,777777777,7777777777]
kyoka = ["算数","体育","理科","図工","英語","国語","社会"]

printf("%d\n",kazu[3])
printf("%s\n",kyoka[3])

srand
suzi = rand(10)
tekitou = rand(9)
printf("%d\n",kazu[suzi])
printf("%s\n",kyoka[tekitou])