diff --git a/projects/04/fill/Fill.hack b/projects/04/fill/Fill.hack
new file mode 100644
index 0000000..112b25f
--- /dev/null
+++ b/projects/04/fill/Fill.hack
@@ -0,0 +1,51 @@
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diff --git a/projects/04/mult/Mult.hack b/projects/04/mult/Mult.hack
new file mode 100644
index 0000000..4a81df4
--- /dev/null
+++ b/projects/04/mult/Mult.hack
@@ -0,0 +1,20 @@
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