diff --git a/quiz4.rb b/quiz4.rb
old mode 100644
new mode 100755
index 57bac12..476a148
--- a/quiz4.rb
+++ b/quiz4.rb
@@ -8,11 +8,15 @@
 kazu = gets.chomp.to_i
 if kazu < 5
   puts "もっと食べれる!"
+  while true
 elsif kazu < 10 
   puts "なかなか食べているね"
+  while true
 elsif kazu == 10
   puts "全部食べたの!すごいね"
+  while true
 else
   puts "1から10の数を入力してね"
+  while true
 end
 end