diff --git "a/\043irotsuke.rb\043" "b/\043irotsuke.rb\043"
new file mode 100755
index 0000000..1e73c16
--- /dev/null
+++ "b/\043irotsuke.rb\043"
@@ -0,0 +1,9 @@
+#!/usr/bin/env ruby
+# -*- coding: utf-8 -*-
+def aka
+  "\e[31m%s\e[m\n"
+end
+
+puts"赤いものを入力してください。"
+a = gets.chomp
+printf(aka ,a)
diff --git a/irotsuke.rb b/irotsuke.rb
index 654a5d7..1e73c16 100755
--- a/irotsuke.rb
+++ b/irotsuke.rb
@@ -1,8 +1,7 @@
 #!/usr/bin/env ruby
 # -*- coding: utf-8 -*-
-
 def aka
-  "31m%dm\n"
+  "\e[31m%s\e[m\n"
 end
 
 puts"赤いものを入力してください。"