diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..a9921da
Binary files /dev/null and b/.DS_Store differ
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..d843f34
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings" defaultProject="true" />
+</project>
\ No newline at end of file
diff --git a/Prog3b_651 b/Prog3b_651
new file mode 160000
index 0000000..2170001
--- /dev/null
+++ b/Prog3b_651
@@ -0,0 +1 @@
+Subproject commit 21700018752d7b19e3c2642707b1c1b06e2f3d84