diff --git a/hello16.rb b/hello16.rb
index 5a12c9b..d364f4a 100644
--- a/hello16.rb
+++ b/hello16.rb
@@ -1,4 +1,4 @@
 #
 #
-a=gets.to_i
+a |= "0000" .to_i
 p(a)
diff --git a/pi.rb b/pi.rb
new file mode 100755
index 0000000..b357570
--- /dev/null
+++ b/pi.rb
@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+# -*- coding:utf-8 -*-
+def p (nu)
+  p "π\n"
+  in_square == "0000" .to_i
+  
diff --git a/pi_1.rb b/pi_1.rb
new file mode 100644
index 0000000..dd2fadd
--- /dev/null
+++ b/pi_1.rb
@@ -0,0 +1,3 @@
+#
+#
+print("3.14159265358979323846264338327950288419///")