diff --git a/kadai01.rb b/kadai01.rb
new file mode 100755
index 0000000..40a2c79
--- /dev/null
+++ b/kadai01.rb
@@ -0,0 +1,6 @@
+#!/usr/koeki/bin/ruby
+# coding: utf-8
+
+while line=ARGF.gets
+  puts(line)
+end