diff --git a/8.3/input_data b/8.3/input_data
new file mode 100644
index 0000000000000000000000000000000000000000..25f412a3e1fbddcd4014c99026247350089b6b7b
--- /dev/null
+++ b/8.3/input_data
@@ -0,0 +1 @@
+-200
diff --git a/8.3/output_data b/8.3/output_data
new file mode 100644
index 0000000000000000000000000000000000000000..3bb9c68d22a6d55398bad302c5f096a20224616b
--- /dev/null
+++ b/8.3/output_data
@@ -0,0 +1,2 @@
+Hello, World -200      
+Error: It is negative