#!/usr/bin/env ruby -*- coding: utf-8 -*- puts"第一問" puts"65+45=?" puts"1:100" puts"2;110" puts"3:120" while true print "答を入力:" kotae = gets.chomp.to_i if kotae == 1 puts"不正解!" break elsif kotae == 2 puts"正解!" break elsif kotae == 3 puts"不正解!" break else puts"その選択肢はないよ!" redo end end