diff --git a/8.3........3 b/8.3........3
deleted file mode 100644
index 7489bc9927f9b8f7f4e5212d1f7759059711cbeb..0000000000000000000000000000000000000000
--- a/8.3........3
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <stdio.h>
-
-int main()
-{
-	int a;
-	fscanf(stdin, "%d", &a);
-	if (a > 0)
-		fprintf(stderr, "Error: It is positive\n");
-	else
-		fprintf(stderr, "Error: It is negative\n");
-	fprintf(stdout, "Hello, World %-d\n", a);
-	return 0;
-}
diff --git a/input_data b/input_data
deleted file mode 100644
index 25f412a3e1fbddcd4014c99026247350089b6b7b..0000000000000000000000000000000000000000
--- a/input_data
+++ /dev/null
@@ -1 +0,0 @@
--200
diff --git a/output_data b/output_data
deleted file mode 100644
index 3bb9c68d22a6d55398bad302c5f096a20224616b..0000000000000000000000000000000000000000
--- a/output_data
+++ /dev/null
@@ -1,2 +0,0 @@
-Hello, World -200      
-Error: It is negative